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New tanks for old: Part II: tank top upgrades. (Upgrades).

Bringing older main battle tanks up to a level approaching the latest models is not only possible but often the only affordable way forward for many armies. Modernisation of, or upgrades to, tanks and other armoured fighting vehicles An armoured fighting vehicle (AFV) is a military vehicle, protected by armour and armed with weapons. Most AFVs are equipped for driving in rugged terrain.

Armored fighting vehicles are classified according to their intended role on the battlefield and characteristics.
 falls under three general headings--mobility, survivability sur·viv·a·ble  
adj.
1. Capable of surviving: survivable organisms in a hostile environment.

2. That can be survived: a survivable, but very serious, illness.
 and firepower fire·pow·er  
n.
1. The capacity, as of a weapon, weapons system, military unit, or position, for delivering fire.

2. The ability to deliver fire against an enemy in combat.

Noun 1.
.

Part the Second

I this article armada An earlier brand name for laptop computers from Compaq. The line was noted for its quality and innovative features.  moves to the tank turret. Upgrades centred on the turret, whether inside or out, fall into three categories--the various target acquisition and fire control systems, the tank's main armament The request of the observer or spotter to obtain fire from the largest guns installed on the fire support ship.  and/or new ammunition and those elements of survivability (threat warners and countermeasures That form of military science that, by the employment of devices and/or techniques, has as its objective the impairment of the operational effectiveness of enemy activity. See also electronic warfare. ) not covered not covered Health care adjective Referring to a procedure, test or other health service to which a policy holder or insurance beneficiary is not entitled under the terms of the policy or payment system–eg, Medicare. Cf Covered.  in the first part of this article (see Part I in issue 3/2002, page 48).

This second part gives an opportunity to instance the various elements that may be applied to a main battle tank upgrade.

Jordan is well into a three-phase project to modernise about 100 of its M60A3 tanks, under the designation AB9B1, using an upgrade package developed by the King Abdullah King Abdullah can refer to:
  • Abdullah bin Abdul Aziz, regent of Saudi Arabia since 1995 and king since 2005.
  • Abdullah II, king of Jordan since 1999
  • Abdullah I, Emir of Transjordan (1921–1946) and King of Transjordan (1946–1951)
 II Design Bureau (KADDB KADDB King Abdullah II Design and Development Bureau (Jordan) , pronounced "Cadbee"). The first phase of the modernisation introduces fire control improvements for the existing M68 105 mm rifled gun, augmented in the second phase by a firepower upgrade. The third phase covers automotive and protection enhancements (already covered in the first part of this article).

To accomplish this project, KADDB brought together an international team of contractors in 1999, which includes Raytheon (fire control), Ruag Land Systems of Switzerland (armament) and General Dynamics General Dynamics Corporation (NYSE: GD) is a defense conglomerate formed by mergers and divestitures, and as of 2006 it is the sixth largest defense contractor in the world[1]. The company has changed markedly in the post-Cold War era of defense consolidation.  Land Systems (automotives). The project moved forward in March 2002 with the contract award to KADDB and Raytheon from the Jordanian Armed Forces The Jordanian Armed Forces (القوات المسلحة الأردنية) with all of it branches, is under direct control of the King of Jordan.  to upgrade "an initial quantity of ... M60 tanks", for which Raytheon is providing its IFCS IFCS Intergovernmental Forum on Chemical Safety
IFCS International Federation of Classification Societies
IFCS International Forum on Chemical Safety
IFCS International Financial Centre
IFCS Improved Fire Control System
IFCS Integrated Fire Control System
 integrated fire control system A system that performs the functions of target acquisition, tracking, data computation, and engagement control, primarily using electronic means and assisted by electromechanical devices. . The first tranche, valued at just under $50 million, involves the conversion of sufficient tanks to equip the first battalion First Battalion is a First-Person Shooter being published by Canadian publisher DreamCatcher Games and developed by ZootFly. It combines features from the First-Person Shooter, RPG, and RTS genres.  plus some additional ones for training and repair (around 50 tanks).

The IFCS comprises a Raytheon Elite II Raman-shift eye-safe laser rangefinder A device which uses laser energy for determining the distance from the device to a place or object. , a General Dynamics Canada digital ballistic computer, an improved turret stabilisation system and a Raytheon Hire gunner's primary sight. For the first tranche, the latter is expected to incorporate a Gen1 thermal imaging sight, but subsequent batches may have a Gen2 (240 x 4) focal-plane array sight.

All development work required for integration of the IFCS with the existing M68 105mm gun aboard the M60A3 is now complete.

KADDB is well into AB9B1 phase two development, up-gunning the M60A3 with the L50 120 mm smoothbore Compact Tank Gun (CTG CTG Cartridge
CTG Center for Technology in Government (SUNY, Albany, New York)
CTG Center for Technology in Government
CTG Computer Task Group (IT consulting company; Buffalo, NY, USA) 
) developed by Ruag. Firing trials were staged in April this year and the results are being used to develop revised ballistic data for the IFCS.

The turret was fitted with a preliminary ammunition stowage STOWAGE, mar. law. The proper arrangement in a ship, of the different articles of which a cargo consists, so that they may not injure each other by friction, or be damaged by the leakage of the ship.
     2.
 arrangement (said to be 22 rounds) incorporated in the bustle, but ultimately it may be modified to include a blowout panel arrangement, and the stowed load could rise to as many as 34 rounds using additional bins below the turret ring.

Consider the T-72

The Russian T-72M1 is one of the world's most widely deployed tanks and has been the subject of many upgrade proposals, covering simple fixes to complex and comprehensive modernisation, from all areas of the world defence industry. The Czech-developed T-72M4 CZ--is now coming to fruition.

However, Russia makes much of the need to involve the original equipment manufacturer in an upgrade of any Russian-designed platform (be it tank, ship or aircraft).

The Ural Design Office of Transport Mechanical Engineering (the original T-72 design authority) and Uralvagonzavod combined with Rosoboronexport to offer a comprehensive T-72M1 upgrade. All elements of this package originate in Verb 1. originate in - come from
stem - grow out of, have roots in, originate in; "The increase in the national debt stems from the last war"
 equipment produced for the T-80 and T-90 series MBTs.

A new computerised fire control system incorporates twin-axis stabilised sights for the commander and gunner. The data from these and other sensors (wind, tilt and temperature) is fed, via a databus into a new ballistic computer allowing targets to be engaged during poor visibility conditions by day and night. A thermal automatic target tracker can also be integrated.

The gunner's day/night `multi-channel sight' comprises optical, thermal (offering a 3000-metre identification under normal night conditions) and laser missile guidance channels, plus a laser rangefinder.

The commander's sighting and vision system offers a repeat display of the gunner's sight, an optical channel (covering 47[degrees] in azimuth azimuth (ăz`əməth), in astronomy, one coordinate in the altazimuth coordinate system. It is the angular distance of a body measured westward along the celestial horizon from the observer's south point.  and 19[degrees] in elevation) and a control unit for the optional remote controlled 12.7 mm NSVT NSVT Non-Sustained Ventricular Tachycardia
NSVT Network Security Vulnerability Technician
NSVT Navy Secure Voice Terminal
NSVT Network Services Virtual Terminal
 antiaircraft machine-gun mounting.

A new main armament--the 125 mm 2A46M smoothbore gun with a quick-detachable barrel-to-breech ring joint--is offered, with built-in boresight. This, Rosoboronexport says, improves accuracy 35 per cent at longer range. The gun can fire the current range of APFSDS APFSDS Armor-Piercing Fin-Stabilized Discarding Sabot  (armour-piercing, fin-stabilized discarding sabot), APDS APDS Armor-Piercing Discarding Sabot
APDS Autonomous Pathogen Detection System
APDS San Marino Popular Alliance of Democrats
APDS Androgynous Peripheral Docking System
APDS Automated Procurement Documentation System
APDS Auxiliary Power Distribution System
 (armour-piercing, discarding sabot), Heat (high explosive anti-tank) and Hef (high explosive fragmentation) ammunition (42 rounds carried below the turret ring) plus the 9M119M laser-guided missile (up to six of which may be carried) with a maximum range of 5000 metres.

Improved communications in the form of the R-168-25U radio can be installed together with a satellite navigation system satellite navigation system satellite nsystème m de navigation par satellite  and a digital map display, compatible with the American Navstar-GPS or Russian Glonass (the prime element of the protection system is the new multi-purpose explosive reactive armour Reactive armour is a type of vehicle armour that reacts in some way to the impact of a weapon to reduce the damage done to the vehicle being protected. It is most effective in protecting against shaped charges and long rod penetrators.  discussed in Part I).

A new 81 mm smoke grenade launching system is fitted above the turret ERA and projects an obscurant ob·scur·ant  
n.
One who opposes intellectual advancement and political reform.

adj.
1. Characterized by opposition to intellectual advancement and political reform.

2.
 aerosol, deployable in 203 milliseconds, to decoy DECOY. A pond used for the breeding and maintenance of water-fowl. 11 Mod. 74, 130; S. C. 3 Salk. 9; Holt, 14 11 East, 571.  laser-guided munitions mu·ni·tion  
n.
War materiel, especially weapons and ammunition. Often used in the plural.

tr.v. mu·ni·tioned, mu·ni·tion·ing, mu·ni·tions
To supply with munitions.
. Protection can be improved by adding the Arena-E automatic active protection system.

In the event of a hit on the tank an automatic fire suppression system Fire suppression systems are used in conjunction with smoke detectors and fire alarm systems to improve and increase public safety Types
  • Fire sprinkler systems (wet, dry, pre-action, and deluge)
  • Gaseous agents
  • Wet and dry chemical agents
 within the fighting compartment (another option) can deploy a Khladon 13B1 fire-suppressant compound in 150 milliseconds.

Rosoboronexport quantifies the improved combat effectiveness offered by the full T-72M1M upgrade as 1.99, against the T-72M1's figure of one and the T-90C's figure of 2.1. This modernisation package has already been presented to several T-72 users and, according to according to
prep.
1. As stated or indicated by; on the authority of: according to historians.

2. In keeping with: according to instructions.

3.
 Rosoboronexport, "there are orders coming to us".

Before moving on to other upgrade aspects, mention must again be made of Jordan, but in the context of the Al-Husseins. These are originally Challenger is that were donated by Britain over the past three years. All 288 are candidates for improvement, but although "Cadbee" stands first in line to clench the deal, the money issue will have to be sorted out--not so easy if one remembers that the force heavily depends on American foreign military aid. The very first system that would need to be replaced would be for fire control, while night vision equipment would have to be installed.

Improving First-round Hits

The major development in tank vision improvement has been the addition of night vision systems; either of the Image Intensifying (II) variety, using available light (moonlight or starlight star·light  
n.
The light from the stars.


starlight
Noun

the light that comes from the stars

Noun 1.
) and optics; or Thermal Imaging (TI) equipment, using infrared techniques (both cooled and uncooled).

It is not within the scope of this article to discuss the various developments in II or TI. Armada will revisit this subject in the near future.

A count of accumulated brochures reveals that there are in excess of 20 major target acquisition systems (principally thermal imagers) available for, or specifically aimed at, the tank retrofit ret·ro·fit  
v. ret·ro·fit·ted or ret·ro·fit, ret·ro·fit·ting, ret·ro·fits

v.tr.
1. To provide (a jet, automobile, computer, or factory, for example) with parts, devices, or equipment not in
 market. A representative selection is presented in Table I.

The information provided by enhanced day/night vision sensors may be an obvious major element of a tank's fire control system, but it is not the whole story. In order for the main gun to hit an identified target, its distance needs to be measured accurately. Thus a fire control system will include a laser rangefinder. Among the leading manufacturers of laser rangefinders are Cilas of France, Zeiss Optronik of Germany, Simrad of Norway, Avimo (now part of Thales) of Great Britain Great Britain, officially United Kingdom of Great Britain and Northern Ireland, constitutional monarchy (2005 est. pop. 60,441,000), 94,226 sq mi (244,044 sq km), on the British Isles, off W Europe. The country is often referred to simply as Britain.  and Raytheon of America. If laser-guided missiles/projectiles are to be used, then laser designators may also be installed, and the range information included in the ballistic calculations. Having once been performed by the gunner with his Mk 1 Mod 0 Brain, this task is now performed in microseconds. Typical of such products are the ballistic computers and mission management systems produced by General Dynamics Canada (formerly Computing Devices Canada) for American M1-series, South Korean K-is and British Challenger 2s.

The ballistic data of the weapon itself may be minutely corrected between shots and a muzzle-reference system may be included. Another element of data of obvious relevance (but rarely written about) is the weather. Thus, meteorological me·te·or·ol·o·gy  
n.
The science that deals with the phenomena of the atmosphere, especially weather and weather conditions.



[French météorologie, from Greek
 sensors may also be fitted and integrated into a fire control system. Irdam of Switzerland and Britain's Integrated Photomatrix are among suppliers of such systems.

Battlefield Management

The relatively recent introduction of battlefield management or information systems, instanced by the French Finders from Giat, provides a further level of sophistication so·phis·ti·cate  
v. so·phis·ti·cat·ed, so·phis·ti·cat·ing, so·phis·ti·cates

v.tr.
1. To cause to become less natural, especially to make less naive and more worldly.

2.
 available for inclusion in a tank. The Finders was installed from the outset on the Leclercs delivered to the United Arab Emirates United Arab Emirates, federation of sheikhdoms (2005 est. pop. 2,563,000), c.30,000 sq mi (77,700 sq km), SE Arabia, on the Persian Gulf and the Gulf of Oman.  while the French version called Icone is now being retrofitted to the French Army Leclercs. Yet another version called Sit has been adopted by the French service for its lighter vehicles. Likewise, the US Army is now introducing the C4ISar (Command, Control, Communications, Computing, Intelligence, Surveillance And Reconnaissance Intelligence, Surveillance and Reconnaissance may refer to:
  • the US Joint Command see'' Joint Functional Component Command for Intelligence, Surveillance and Reconnaissance.
  • the military term, see'' Intelligence, Surveillance, Target Acquisition, and Reconnaissance.
) type of system into its armoured formations.

With so much apparently esoteric information being programmed into the computer software, one begins to appreciate the complexity of a modern tank fire control system. However, manufacturers are doing their utmost to ensure that a maximum amount of data is digested, formatted and categorised before being displayed. As of late, some systems are being developed with specific retrofits in mind with form-fit units that can be `dropped-in' to replace the existing systems; others are so modular that they can be easily adapted to a variety of vehicles (see Table II).

Destruction Itself

Mention was made above of the Ruag 120 compact gun which was to have been installed on the next-generation Swiss tank had the programme not been cancelled in favour of the Leo Leo, in astronomy
Leo [Lat.,=the lion], northern constellation lying S of Ursa Major and on the ecliptic (apparent path of the sun through the heavens) between Cancer and Virgo; it is one of the constellations of the zodiac.
 2. There was also a recent adaptation of the Abrams turret as a proposal to upgrade Turkey's M60s. About two years ago, Giat also carried out preliminary work to offer a version of its Leclerc turret for older hulls like the M60 or T-72. According to latest news, Giat will go into deeper development should serious interest materialise into a partnership.

One trend in up-gunning has focussed on the replacement of Soviet/Chinese 100 mm, 115 mm and 125 mm weapons with Western weapons of 105 mm and 120 mm calibres. The Ukraine has developed its own 120 mm Nato-standard gun for the T-72, and Russia is promoting its improved 125 mm weapons on upgrades of its own tanks.

The other Western trend is the replacement of older 105 mm guns by either improved 105mm rifled or 120 mm smoothbore weapons. Jordan's AB9B1/M60 upgrade is one such example and the adoption by Turkey of the Israel Military Industries (IMI IMI International Masonry Institute (Washington, DC)
IMI Israel Military Industries
IMI Institute of the Motor Industry
IMI International Market Insight
IMI Imposto Municipal Sobre Imóveis (Portugal) 
) M60 Sabra sa·bra  
n.
A native-born Israeli.



[Hebrew
 upgrade, including the IMI MG251 weapon, is another. In Germany, Rheinmetall has developed a longer-barrelled 120 mm smoothbore gun--the L55--which, when fitted, results in a Leopard 2A5 (with the L44 gun) becoming a Leopard 2A6 tank. Adopted by Germany, the upgrade has been sold to the Netherlands and the Spanish Army The Spanish Army (Ejército de Tierra in Spanish; literally, "Land Army") is one of oldest active armies in the world and a branch of the Spanish Armed Forces, in charge of land operations.  is having its new-build Leopards delivered as 2A6 vehicles with this gun.

In some upgrade cases it is found desirable to replace the turret hydraulic drives with electromechanical devices. Firms like Curtiss-Wright in Switzerland can provide all manner of computer-controlled actuators to cater to most needs in that respect.

Ammunition development for tank guns (another article within this issue) continues with a variety of aims such as reducing barrel wear, increased propellant pro·pel·lant also pro·pel·lent  
n.
1. Something, such as an explosive charge or a rocket fuel, that propels or provides thrust.

2.
 and new penetrators or warheads. Where practical, adoption of autoloaders in tank retrofits is possible.

Threats and Countermeasures

The use of turret-mounted grenade launchers
  • RPG launcher
  • M234 launcher
  • FN F2000 (Belgium)
  • AP/AV 700 multiple grenade launcher (Italy)
  • GrB 39 rifle grenade launcher (Germany)
  • 30 mm GP-30 (Soviet Union/Russia)
  • 30 mm AGS-17 automatic grenade launcher (Soviet Union/Russia)
 to deploy a masking cloak of thick smoke has long been a feature of a tank's evasive e·va·sive  
adj.
1. Inclined or intended to evade: took evasive action.

2. Intentionally vague or ambiguous; equivocal: an evasive statement.
 manoeuvres. Today such systems are but one element of self-defence that a tank can deploy.

Nowadays a user can buy an integrated defensive aids suite to install on his vehicles.

A typical example is the French KBCM, developed in association with Sagem and Eads, with Giat as the systems integrator. It can be tailored to a customer's specific vehicle and requirements with the following basic elements:

* a man/machine interface and central processing unit See CPU.

(architecture, processor) central processing unit - (CPU, processor) The part of a computer which controls all the other parts. Designs vary widely but the CPU generally consists of the control unit, the arithmetic and logic unit (ALU), registers, temporary buffers
 coupled to the existing vehicle's combat system and databus, to display the threat and recommend the appropriate countermeasure coun·ter·meas·ure  
n.
A measure or action taken to counter or offset another one.


countermeasure
Noun

action taken to counteract some other action

Noun 1.
 

* a missile launch detector

* three laser warning detectors (Israel's LWS-2 system from Amcoram having been selected for prototype use) giving full 360[degrees] coverage of the vehicle

* an infrared jammer(s) and

* the Giat-Lacroix Galix visual and IR band screening system.

This may be used in manual, semiautomatic or fully automatic modes; the latter allowing the system to engage or defeat the targets that pose the greatest threat to the vehicle. It is also possible to integrate the KBCM with a battlefield management system (such as the Finders mentioned above) to enhance co-ordinated protection of an entire armoured unit.

Other complete defensive aids suites include the Arpam system from Israel Military Industries and, from Russia, the Shtora-1 missile jamming defence system from Zenit, the Drozd and Drozd-2 protection systems from KPB KPB Kenai Peninsula Borough (Alaska, USA)
KPB Keep Pinellas Beautiful (Clearwater, FL)
KPB Kefir Preserving Brine
KPB Kokomo Park Band (Kokomo, IN) 
, and the Arena active defence system from KBM (Knowledge Based Manufacturing) A full-featured custom manufacturing ERP system from Acacia for the AS/400. It was originally developed by Data3, which was acquired by the ASK Group and then by Computer Associates (CA) in 1994. See Acacia. . Upon detecting an incoming object, the Arena fires a warhead in its direction and destroys it only a few yards away from the tank.

Threat warning systems are more numerous and are available from manufacturers worldwide. Representative examples include the Colds from Eads, the Third Eye laser warner from Moked of Israel, the WPL-1 Bobrawa laser warner from PCO PCO 1 Patient complains of 2 Polycystic ovaries, see there  of Poland, the Lird-1/1A irradiation irradiation /ir·ra·di·a·tion/ (i-ra?de-a´shun)
1. radiotherapy.

2. the dispersion of nervous impulse beyond the normal path of conduction.

3.
 detector/warner from Fotana of Slovenia and the LWD LWD Labor and Workforce Development (State of New Jersey)
LWD Logging While Drilling (oil drilling industry)
LWD Large Woody Debris
LWD Little White Dress
LWD Life With Derek
 2 laser warner from Avimo (now Thales).

Among the jammers available for tank use are the AN/VLQ-6 from Lockheed Martin For the former company, see .

Lockheed Martin (NYSE: LMT) is a leading multinational aerospace manufacturer and advanced technology company formed in 1995 by the merger of Lockheed Corporation with Martin Marietta.
 Electro-Optical Systems, the AN/VLQ-8A from Esterline, the Majic-1 from IMI and the Eirel from Matra Defense Equipment & Systemes (formerly CS Defense).

Goodrich in the United States United States, officially United States of America, republic (2005 est. pop. 295,734,000), 3,539,227 sq mi (9,166,598 sq km), North America. The United States is the world's third largest country in population and the fourth largest country in area.  also offers a range of detection systems for tanks, amongst which are the AN/ VVR-1 laser warning receiver and the AN/VVR-2 laser detector. The former actually provides information on the nature of the threat, such as whether it is a laser rangefinder, a designator of beam-rider missile guidance signal, and of course origin, with an accuracy of + or - 1[degree]. The suite, comprising four sensors, offers 360[degrees] coverage. The AN/ VVR-2, on the other hand, is a five-facet single-unit "tower" that provides the same area coverage.

Grenade dischargers of various calibres (66 mm, 76 mm and 80 mm being common) can be used to launch traditional smoke or the more-sophisticated concoctions devised to block infrared guidance beams. Mention has already been made of the French 80 mm Galix, while Krauss-Maffei Wegmann offers a 76 mm grenade launcher A grenade launcher is a weapon that launches a grenade greater distances, more accurately, and faster than a soldier could throw by hand. The man-portable grenade launcher  system, IMI its Pomals, Rheinmetall the Maske and Thales its 66 mm multipurpose mul·ti·pur·pose  
adj.
Designed or used for several purposes: a multipurpose room; multipurpose software.


multipurpose
Adjective
 grenade discharger, among others.
Table I: Target Acquisition Systems (representative)

Product                   Manufacturer         FoV
                          [Country]            [degrees]

Mk 72 thermal obs         OIP Sensor Systems   N = 1.7 x 4
system for T-72           [Belgium]            W = 5.1 x 12

BDIN 3 commander's        Melopa               Day = 10
passive day/night         [Bulgaria]           Night = 12
obs device for T-72

Savan-15 gunner's         Sagem                n/a
stabilised sight          [France]

Catherine-FC thermal      Thales Optronique    N = 332.25
imager for FCS--Gen2      [France]             W = 936.75
                                               Z = 1.5 x 1.2

Ophelios thermal          Zeiss Optronik       N = 2.733.5
imager Gen2               [Germany]            W = 9312
                                               Z = 3.6 x 4.8
                                               to 22.6 x 30.6

Stand-Alone Thermal       Elbit/Elop           N = 332
Elbow Sight (Sates)       [Israel]             W = 10.5 x 7
for T-series tanks

VIRS-7 thermal imager     Alenia               N = 4 x 1.7
with type 1 telescope     [Italy]

Thetis thermal tank       Galileo Avionica     N = 3.2 x 2.4
IR system                 [Italy]              W = 8 x 6

Thermal gunner's sights   Atcop                N = 4 x 2
for T-series tanks        [Pakistan]           W = 12 x 6

TPN-1P passive night      PCO                  7
for T-55/72               (Poland]

Booklet gunner's multi-   JSC Peleng           N = 3 x 2.15
channel sight             [Russia]             W = 9 x 7.5
                                               Z = 1.5 x 1.2

Tigs thermal imaging      Fotona               N = 3.4 x 2
gunner's sight            [Slovenia]           W = 9.2 x 5.4

GS-60 primary             Eloptro/Denel        N = 3 x 2.25
gunner sight              [South Africa]       W = 9 x 6.75

Tank thermal sensor       BAE Systems          x 10mag = 6 x 4
                          Avionics [Britain]   x 5mag = 12 x 8

SGTS Gen2 tank sight      Raytheon             N = 2.5 x 3.3
                          [United States]      W = 7.5 x 10

Product                   Range                Waveband
                          [km]                 [microns]

Mk 72 thermal obs         ID = 1.5             7.5 to 12
system for T-72           Rec = 3.3
                          Det = 7.6

BDIN 3 commander's        Star = 0.9           II - Gen2
passive day/night         Moon = 1.8
obs device for T-72

SavSan-15 gunner's         n/a                  8 to 12
stabilised sight

Catherine-FC thermal      n/a                  8 to 12
imager for FCS--Gen2

Ophelios thermal          n/a                  7.5 to 10.5
imager Gen2

Stand-Alone Thermal       n/a                  8 to 12
Elbow Sight (Sates)
for T-series tanks

VIRS-7 thermal imager     Det = 6.5            8 to 12
with type 1 telescope     Rec = 2.5

Thetis thermal tank       n/a                  7.5 to 10.5
IR system

Thermal gunner's sights   n/a                  8 to 14
for T-series tanks

TPN-1P passive night      n/a                  II/Gen2+sight/
for T-55/72                                    SuperGen

Booklet gunner's multi-   n/a                  8 to 12
channel sight

Tigs thermal imaging      <6                   8 to 12
gunner's sight

GS-60 primary             n/a                  8 to 12
gunner sight

Tank thermal sensor       n/a                  8 to 13

SGTS Gen2 tank sight      n/a                  8 to 12

Notes: II = image intensifier, FoV = Field of View, N = narrow,
W = wide, Z = zoom, mag = magnification ID = identification,
det = detection, rec = recognition n/a = not available

Table II: Fire Control Systems (representative)

Product                  Manufacturer          Components Provided
                         (Country)             Night    Laser
                                               Vision   RF

T-CAS FCS for T-72       Thales Optronique     TI       existing
                         [France]

FLP-10/Emes 18 Tank      STN Atlas             TI       yes
FCS for Leopard 1        [Germany]

Molf for T-series,       STN Atlas             no       yes
M48, M60 & AMX-30        [Germany]

Sanoet-2 IFCS for T-72   Sagem (France) with   TI       existing
                         UKBTM-Nizhny Tagil
                         and Peleng-Belomo
                         [Russia]

Knight-series tank FCS   Elbit Systems         TI       existing
                         [Israel]

Turms FCS for T-72       Galileo Avionica      TI       optional
                         [Italy]

EFCS-3 family for        Fotona                II       yes
T-series tanks           [Slovenia]

Tiger NGFCS for T-72     LIW/Denel             TI       yes
                         [South Africa]

T-55 tank thermal        Kearfott              TI       yes
sight FCS                [United States]

IFCS (as used on         Raytheon              TI       yes
Jordan's AB9B1/M60)      [United States]

Suv-T55A FCS             Rudi Cajavec          II *     yes
                         [former Yugoslavia]

Product                  Components Provided
                         Ball.      Met
                         comp.      sensor

T-CAS FCS for T-72       yes        existing

FLP-10/Emes 18 Tank      yes        existing
FCS for Leopard 1

Molf for T-series,       yes        existing
M48, M60 & AMX-30

Sanoet-2 IFCS for T-72   yes        existing

Knight-series tank FCS   yes        existing

Turms FCS for T-72       yes        yes

EFCS-3 family for        yes        yes
T-series tanks

Tiger NGFCS for T-72     yes        no

T-55 tank thermal        yes        yes
sight FCS

IFCS (as used on         yes        no
Jordan's AB9B1/M60)

Suv-T55A FCS             yes        yes

Notes: RF = Rangefinder, Met = Meteorology, Ball. Comp. = Ballistic
Computer TI = Thermal Imaging, II = Image intensification,
* = TI optional

Table III: Guns (representative)

Weapon               Manuf.                  Length     Weight
                     [Country]               [metre]     [kg]

120 mm gun for       Norinco                   6          2600
Type 59 & T-54/55    [China]

115 mm gun           Abu Zaabal                5.7        1080
for T-62             [Egypt]

120 mm F1 gun        Giat                      6.2        2800
                     [France]

120 mm L55 gun       Rheinmetall               6.6        1347
                     [Germany]

120 mm L44 gun       Rheinmetall               5.3        1190
                     [Germany]

105 mm up-gun        Ordnance Factory          5.58       1287
for T-54/55 (based   Kanpur [India]
on UK L7 gun)

120 mm MG251         Israel Military           5.56       3300
for M60 upgrade      Industries             (w/mount)
                     [Israel]

125 mm D-81TM        Motovilikha               6          2500
(2A46) gun for       Plants Corp.
T-72/-80/-90         [Russia]

105 mm GT 3          LIW/Denel                 5.4        2930
tank gun             [South Africa]

120 mm Compact       Ruag Land Systems         6          2600
tank gun             [Switzerland]

125 mm tank gun      State Scientific and      6          n/a
Vitiaz (prototype)   Technical Centre
                     [Ukraine]

120 mm               State Scientific and      n/a        n/a
tank gun             Technical Centre
                     [Ukraine]

120 mm L11           BAE Systems RO            6.6        1728
tank gun             [Britain]

105 mm improved      BAE Systems RO            6.66       1334
weapon system        [Britain]

120 mm M256          Watervliet Arsenal        5.63       1901
tank gun             [United States]

Weapon                Bore               RoF      Range
                                      [rds/min]    [km]

120 mm gun for        smooth             n/a       n/a
Type 59 & T.54/55

115 mm gun            smooth             4-5       4.8
for T-62

120 mm F1 gun         smooth             n/a       n/a

120 mm L55 gun        smooth             n/a       n/a

120 mm L44 gun        smooth             n/a       3.5

105 mm up-gun         rifled             n/a       4.0
for T-54/55 (based
on UK L7 gun)

120 mm MG251          smooth             n/a       n/a
for M60 upgrade

125 mm D-81TM         smooth             n/a       4.0
(2A46) gun for
T-72/-80/-90

105 mm GT 3           rifled             n/a       n/a
tank gun

120 mm Compact        smooth             n/a       n/a
tank gun

125 mm tank gun       smooth             n/a       n/a
Vitiaz (prototype)

120 mm                smooth             n/a       n/a
tank gun

120 mm L11            rifled             n/a       8.0
tank gun

105 mm improved       rifled             n/a       n/a
weapon system

120 mm M256           smooth             n/a       n/a
tank gun

Note: n/a = information not available, RoF = Rate of Fire
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No portion of this article can be reproduced without the express written permission from the copyright holder.
Copyright 2002, Gale Group. All rights reserved. Gale Group is a Thomson Corporation Company.

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Author:Maxwell, David
Publication:Armada International
Geographic Code:1USA
Date:Dec 1, 2002
Words:3557
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