David
Fri April 25, 2003 1:00pm
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CGC MOHAWK, Key West, Flo
CGC MOHAWK, Key West, Florida, -1993-1999
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David
Fri April 25, 2003 1:00pm
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CGC SITKINAK, Key West, F
CGC SITKINAK, Key West, Florida, 1996
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David
Fri April 25, 2003 6:06pm
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CGC PADRE, bats, Key West
CGC PADRE, bats, Key West, Florida, 1996
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David
Fri April 25, 2003 6:06pm
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CGC THETIS, Det 1, Key We
CGC THETIS, Det 1, Key West, Florida, 1998
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David
Fri April 25, 2003 6:06pm
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CGC NANTUCKET, The Ship T
CGC NANTUCKET, The Ship They Named An Island After, Key West, Florida, 1998
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David
Fri April 25, 2003 6:06pm
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CGC PADRE, priest w/3 wor
CGC PADRE, priest w/3 word motto, Key West, Florida, 2000
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exlrrp
Sun May 11, 2003 8:28pm
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Hills
my team got into a firefight as we were getting off a helicopter between these 2 hills, which you can see from the road. they literally dropped us in right on top of these people.
just west of MangYang Pass
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39mto39g
Sat June 7, 2003 9:13am
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dsc00209
Lz Marry Lou west of Tam Ky 1967
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Unregistered
Mon July 7, 2003 4:42pm
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Sunrise on the Freedom ou
Sunrise on the Freedom out of Westport WA
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David
Sat January 3, 2004 8:51pm
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Torpedoes: Mark 46, Mark
Function: Self-propelled guided projectile that operates underwater and is designed to detonate on contact or in proximity to a target.
Description: Torpedoes may be launched from submarines, surface ships, helicopters and fixed-wing aircraft. They are also used as parts of other weapons; the Mark 46 torpedo becomes the warhead section of the ASROC (Anti-Submarine ROCket) and the Captor mine uses a submerged sensor platform that releases a torpedo when a hostile contact is detected. The three major torpedoes in the Navy inventory are the Mark 48 heavyweight torpedo, the Mark 46 lightweight and the Mark 50 advanced lightweight.
The MK-48 is designed to combat fast, deep-diving nuclear submarines and high performance surface ships. It is carried by all Navy submarines. The improved version, MK-48 ADCAP, is carried by attack submarines, the Ohio class ballistic missile submarines and will be carried by the Seawolf class attack submarines. The MK-48 replaced both the MK-37 and MK-14 torpedoes. The MK-48 has been operational in the U.S. Navy since 1972. MK-48 ADCAP became operational in 1988 and was approved for full production in 1989.
The MK-46 torpedo is designed to attack high performance submarines, and is presently identified as the NATO standard. The MK-46 Mod 5 torpedo is the backbone of the Navy's lightweight ASW torpedo inventory and is expected to remain in service until the year 2015.
The MK-50 is an advanced lightweight torpedo for use against the faster, deeper-diving and more sophisticated submarines. The MK-50 can be launched from all ASW aircraft, and from torpedo tubes aboard surface combatant ships. The MK-50 will eventually replace the MK-46 as the fleet's lightweight torpedo.
MK-48 and MK-48 ADCAP torpedoes can operate with or without wire guidance and use active and/or passive homing. When launched they execute programmed target search, acquisition and attack procedures. Both can conduct multiple reattacks if they miss the target. The MK-46 torpedo is designed to be launched from surface combatant torpedo tubes, ASROC missiles and fixed and rotary wing aircraft. In 1989, a major upgrade program began to enhance the performance of the MK-46 Mod 5 in shallow water. Weapons incorporating these improvements are identified as Mod 5A and Mod 5A(S).
General Characteristics, MK-48, MK-48 (ADCAP)
Primary Function:
Heavyweight torpedo for submarines
Contractor:
Gould
Power Plant:
Piston engine; pump jet
Length:
19 feet (5.79 meters)
Weight:
MK-48: 3,434 pounds (1545.3 kilograms)
MK-48 ADCAP: 3,695 pounds (1662.75 kilograms)
Diameter:
21 inches (53.34 centimeters)
Range:
Greater than 5 miles (8 km)
Depth:
Greater than 1,200 feet (365.76 meters)
Speed:
Greater than 28 knots (32.2 mph, 51.52 kph)
Guidance System:
Wire guided and passive/active acoustic homing
Warhead:
650 lbs (292.5 kg) high explosive
Date Deployed:
1972
General Characteristics, MK-46 MOD 5
Primary Function:
Air and ship-launched lightweight torpedo
Contractor:
Alliant TechSystems
Power Plant:
Two-speed, reciprocating external combustion; Mono-propellant (Otto fuel II) fueled
Length:
102.36 in. tube launch configuration (from ship)
Weight:
517.65 lbs (warshot configuration)
Diameter:
12.75 inches
Range:
8,000 yards
Depth:
Greater than 1,200 feet (365.76 meters)
Speed:
Greater than 28 knots (32.2 mph, 51.52 kph)
Guidance System:
Homing mode: Active or passive/active acoustic homing
Launch/Search Mode:
Snake or circle search
Warhead:
98 lbs. of PBXN-103 high explosive (bulk charge)
Date Deployed:
1966 (Mod 0)
1979 (Mod 5)
General Characteristics, MK-50
Primary Function:
Air and ship-launched lightweight torpedo
Contractor:
Alliant Techsystems, Westinghouse
Power Plant:
Stored Chemical Energy Propulsion System
Length:
112 inches
Weight:
750 pounds
Diameter:
12.75 inches
Speed:
40+ knots
Guidance System:
Active/passive acoustic homing
Warhead:
Approximately 100 pounds high explosive (shaped charge)
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David
Sat January 3, 2004 9:38pm
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An-124 Condor
Function: High payload, long range cargo aircraft.
History: Introduced in 1982 as a long range, heavy lift cargo and troop transport aircraft, the Antonov An-124 Ruslan (NATO designation Condor) is currently the world's largest and heaviest payload aircraft in production in the world. Outclassing the C-5 Galaxy by nearly 20 tons in payload capacity, and the Ilyushin Il-76 by more than 100 tons, the An-124 is only exceeded in lifting ability by the special purpose An-225 Mriya (NATO designation Cossack) which was purpose built to transport the Russian space shuttle, and of which only two were built.
Currently in production at the AVIASTAR facility in Ulyanovsk and the AVIANT State Aviation Plant in Kiev, the An-124, in addition to serving with the Russian military as a long range high payload cargo aircraft capable of delivering or airdropping troops, and equipment, is also in service with a number of civilian organizations as a dedicated cargo transport. Antonov Airlines, Volga-Dniepr, and Poliot all employ the An-124, using it to transport heavy and over sized equipment such as hydraulic turbines, mobile cranes, railway locomotives, earthmovers and dump trucks, and sailing vessels. The An-124 is even capable of transporting other aircraft, ferrying partially disassembled passenger planes to customers worldwide.
To facilitate the loading and unloading of cargo, the nose section is hinged to open upwards, and the tail section is fitted with a pair of clamshell doors. Both nose and tail sections are equipped with integral loading ramps. In addition, the An-124 also employs two traveling cranes, two winches, a rollgang and tie down equipment which limit it's dependence on ground equipment for cargo handling and manipulation. The Ruslan is equipped with multi leg, self-orienting landing gear and is rough surface capable. The landing gear height can be adjusted on the ground, to facilitate loading cargo.
In addition to the An-124-100 currently in production, Air Foyle (UK) in conjunction with Antonov and Aviastar has proposed the construction of two new versions, the An-124-210, and the An-124-100M. Both versions will be equipped with Western and Russian digital instruments and displays which will reduce the crew size from 6 to 4. In addition, both will be equipped with a traffic alert collision and avoidance system, ground proximity warning system and a satellite communications system. The 210 will be outfitted with Rolls-Royce RB211-52H-T engines, while the 100M will be equipped with the Series 3 D-18 engines, produced by the Progress Design Bureau in Zaporozhe. Each of these engine upgrades will increase the Ruslan's range by 10% and reduce take off distance.
Description: Typical of most cargo aircraft, the An-124 body forms a thick oval cross-section, with a tapered aft section and rounded nose to facilitate cargo handling. The fuselage is of a twin deck design, the upper deck being the flight deck, and the lower deck serving as the cargo hold. On the flight deck are the cockpit, with stations for the six crewmembers, a relief crew compartment, and seating for an additional 88 passengers. The loadmaster's station is on the cargo deck.
The wings are mounted high on the fuselage at a negative dihedral, are tapered and swept, with a relatively high cross-section to increase efficiency and range. The four Lotarev D-18T turbofans are mounted on pylons underneath the wings. The horizontal stabilizers are also swept back and tapered, and are mounted at mid level on the fuselage, aft of the vertical stabilizer.
General Characteristics, AN-124 Condor
Power Plant:
Four D-18T turbofans (An-124-100)
Four D-18T Series 3 (An-124-100M)
Four RB211-524H-T (An-124-210)
Thrust:
229 kN (153,558 pounds)
An-124-210: 264 kN (177,027 pounds)
Length:
69.1 meters (226.4 feet)
Height:
21.08 meters (69.2 feet)
Wingspan:
73.3 meters (240.5 feet)
Cargo Hold Dimensions:
Floor length including ramps: 36.5 meters
Width at floor level: 6.4 meters
Height: 4.4 meters
Volume cargo hold: 1,270 cubic meters
Speed:
800 to 850 kmh
Cruise speed at an altitude of 9 km: 750 to 800 kmh
Ceiling:
12,000 meters (39,370 feet)
Load-Carrying Capacity:
120 tons using a 2,800 meter runway (2300 meters for An-124-210)
150 tons using a 3,000 meter runway (2500 meters for An-124-210)
Maximum Takeoff Weight:
392 tons
Range:
With maximum fuel: 13,300 kilometers (7,980 miles) (15,250 for An-124-210)
With 40-ton payload: 10,960 kilometers (6,576 miles) (12,730 for An-124-210)
With 120-ton payload: 5,030 kilometers (3,018 miles) (5,950 for An-124-210)
Crew:
Seven (An 124)
Four (An-124-100)
Four (An-124-100M)
Three (An-124-210)
Runway:
3000 meters (2,420 for An-124-210)
Takeoff run on concrete runway: 2520 meters (2,420 for An-124-210)
Landing roll on concrete runway: 900 meters
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David
Sat January 3, 2004 9:38pm
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MiG-21 Fishbed
Function: High performance Cold War era air combat and air superiority fighter.
History: Originally designed as a replacement for the MiG-19 Farmer, the Mikoyan-Gurevich Design Bureau passed on sophisticated technology in favor of pure airframe performance using solid, reliable technology which was easy to maintain. The end result was Soviet workhorse capable of performing a wide variety of missions, from close air support, to tactical aerial reconnaissance to air superiority and air combat. The MiG-21 design has been so successful that more MiG-21s have been produced than any other fighter aircraft and, 25 years after its introduction, it is still in production in a number of countries. The first prototype flew in 1955 and its existence was made public in 1956. Conceived as high performance daylight fighter-interceptor, the Fishbed sacrificed endurance and all weather capability for pure speed and aerobatic performance. Although the MiG-21 lacked the ordinance capacity of its contemporaries, the F-4 Phantom II and the F-105 Thunderchief, it was more maneuverable, and because of its simple design, it was both easier and cheaper to maintain by the cash poor countries which purchased it.
Since its introduction over 15 different variants of the Fishbed have been produced. Initial prototypes MiG-21s (Fishbed-B) were armed with two NR-30 30mm cannons but this was reduced to one in later (Fishbed-C) production runs as the Soviet Union followed the West in converting fighters from gun to missile platforms. In addition to eliminating one of the cannons, the Fishbed-C had an increased internal fuel capacity and launch rails for two AA-2 Atoll IR Missiles or rocket pods for ground support missions. The Fishbed-D eliminated the internal cannon armament while increasing internal fuel load as well as redesigning the Spin Scan radar located in the movable nose cone. The Fishbed-E is essentially a sub variant of the D model, incorporating a number of minor modifications, including the reintroduction of a cannon armament in the form of a GP 9 gun pod. The Fishbed-F was the final "first generation" production aircraft. In addition to improvements in the fuselage, internal fuel capacity and control surfaces, the F model incorporated a new radar which allowed it to fire semi-active medium range radar homing air to air missiles.
The "Second Generation" MiG-21s represented a divergence from the original lightweight fighter concept. These aircraft would be characterized by larger fuel loads, more advanced electronics, greater ordnance capacity, and better performance. The first of the "Second Generation" aircraft were the Fishbed-H, a dedicated reconnaissance and offensive electronic warfare variant, and the Fishbed-J, which dispensed with the GP 9 pod in favor of a single, internally mounted GSh-23L 23mm cannon. Wing pylons were also increased from two to four. The last of the "Second Generation" MiG-21s introduced was the Fishbed-H which was similar to the J but featured a greatly enlarged dorsal spine which housed additional fuel. Unfortunately this increased weight so reduced performance that its carrying capacity had to be cut by 50 percent.
"Third Generation" Fishbeds represent the final iteration of MiG-21 evolution. Though "Third Generation" aircraft represent a real improvement over earlier versions, in comparison to current aircraft, the lack of a Beyond Visual Range (BVR) missile capability, poor endurance and poor slow speed/high G handling limit its combat utility. The Fishbed-L was the first of the next generation aircraft, incorporating numerous technological improvements, and was designed with low altitude performance in mind. Though the MiG-21 remains in limited production in a number of countries, the Fishbed is likely to remain in service for many more years, thanks to an aggressive aftermarket product improvement program. Many countries, such as Israel, Russia, India, and China offer aftermarket upgrade packages, where countries can refit older versions of the MiG-21 with more advanced, to include Western technology, components.
General Characteristics, MiG-21 Fishbed
Designer:
Mikoyan-Gurevich Design Bureau
Power Plant:
Fishbed-F: one Tumanskii R-11F2S-300 turbojet rated at 8,600 pounds thrust dry and 13,613 pounds thrust on afterburner
Fishbed-J: one Tumanskii/Gavrilov R-13-300 turbojet rated at 8,972 pounds thrust dry and 14,307 pounds thrust on afterburner
Fishbed-L: one Tumanskii R-25-300 turbojet rated at 9,038 pounds thrust dry and 15,653 pounds thrust on afterburner; the R-25-300 is capable of producing 21,825 pounds of thrust above Mach 1 and up to 13,000 feet for periods of up to three minutes
Length:
12.285 meters (40 feet, 3.9 inches)
Height:
4.125 meters (13 feet, 6.2 inches)
Wingspan:
7.154 meters (23 feet, 5.7 inches)
Speed:
Fishbed-F: 2,125 kmh (1,320 mph) at 11,000 meters (36,090 feet)
Fishbed-J: 2,230 kmh (1,385 mph) at 11,000 meters (36,090 feet); maximum level speed at sea level 1,300 kmh (807 mph)
Fishbed-L: 2175 kmh (1,351.5 mph) at 13000 meters (42,650 feet)
Ceiling:
Fishbed-F: 19,000 meters (62,335 feet)
Fishbed-J: 18,200 meters (59,711 feet)
Fishbed-N: 17,500 meters (57,415 feet)
Weight:
Fishbed-F: 5,350 kilograms (11,795 pounds) empty
Fishbed-J: 5350 kilograms (11,795 pounds) empty
Fishbed-N: 5450 kg (12,015 pounds) empty
Maximum Takeoff Weight:
Fishbed-F: 9,080 kilograms (20,018 pounds)
Fishbed-J: 9,400 kilograms (20,723 pounds)
Fishbed-N: 10,400 kilograms (22,928 pounds)
Range:
Fishbed-F: Maximum ferry range with one external fuel tank 1300 kilometers (808 miles)
Fishbed-J: Maximum ferry range with three external fuel tanks 1,800 km (1,118 miles)
Fishbed-N: Maximum ferry range with one external fuel tank 1,470 km (913 miles)
Crew:
One
Armament:
Fishbed-F: One NR-30 30mm cannon in an external pod plus either two AA-2 short range Infrared homing air to air missiles or up to 500kg (1,100 pounds) of external ordnance on two pylons
Fishbed-J,N: One GSh-23L internally mounted 23mm cannon plus either four air to air missiles or up to 2000 kilograms (4,409 pounds) of external ordnance carried on four pylons
Date Deployed:
1956 (Fishbed-C)
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David
Sat January 3, 2004 9:38pm
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MiG-29 Fulcrum
Function: High speed, high altitude, long range interceptor.
Description: Designed in 1972 to replace the aging MiG-21 and MiG-23, the Fulcrum represented a revolutionary devlopement in Soviet fighter aircraft performance. Though lacking the sophisticated electronics and "fly-by-wire" systems of contemporary Western aircraft like the American F-16 Falcon and the F-15 Eagle, the MiG-29's agility and maneuverability make it their equal in term of performance. In addition, the MiG-29 incorperates a unique forward looking infrared target aquisition system which allows the Fulcrum to aquire and engage targets with heat seeking missiles or its internally mounted cannon without being detected by radar-detecting threat warning recievers. To take advantage of the MiG-29's incredable turning ability, the pilot is equiped with a helmet mounted target designation reticle which can be used to designate and engage targets outside of the fighter's forward plane of travel.
Entering service in 1984 as the Fulcrum-A, the current production model is the Fulcrum-C, which incorperates a redesigned fuselage and increased internal fuel capacity.
General Characteristics, MiG-29 Fulcrum-A
Designer:
Mikoyan-Gurevich Design Bureau
Power Plant:
Two Sarkisov RD-33 afterburning turbofans
Thrust:
18,300 pounds each
Length:
17.32 meters (56.83 feet)
Height:
4.73 meters (15.5 feet)
Wingspan:
11.36 meters (37.25 feet)
Speed:
2,455 kmh (1,520 mph) at 30,000 feet
Ceiling:
17,000 meters (55,775 feet)
Weight:
15,240.7 kilograms (33,600 pounds) empty
Maximum Takeoff Weight:
18,499.8 kilograms (40,785 pounds)
Range:
2,100 kilometers (1,300 miles)
Crew:
One
Armament:
One GSh-30-1 30mm internally mounted cannon with 150 rounds of ammunition
3,000 kilograms (6,614 pounds) of external ordinance including missiles, rockets, gravity bombs, and guided munitions carried on six hardpoints
Date Deployed:
1984
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David
Sat January 3, 2004 9:38pm
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Su-27 Flanker-B
Function: High performance air combat and air superiority fighter.
History: Developed in the late 1960s as a dedicated air superiority fighter, the Flanker combines the maneuverability of the MiG-29 Fulcrum with the precision "fly-by-wire" flight controls found on Western fighters as well as an incrediable payload of ten Air to Air Missiles (AAM). Entering service in 1984, the basic Su-27 design has produced a number of variants, including the Su-27IB (or Su-34), a side by side tandem seat tactical fighter bomber similar in function to the American FB-111 Aardvark, and the Su-27UB Flanker-C (or Su-30) another tandem designed used as a long range interceptor and trainer. Additionally, the Su-27 has been converted for use on Russian aircraft carriers as the Su-27K (or Su-33) which incorperates strengthined landing gear, folding wings, a retractable in-flight refueling probe, an arrestor hook assembly, and movable forward mounted canards.
Though currently in service with the Russian Airforce and available for export, the Su-27 is being replaced by the much improved Su-35 and the vectored thrust Su-37.
General Characteristics, Su-27 Flanker-B
Designer:
Sukhoi Design Bureau
Power Plant:
Two Lyulka AL-31F afterburning turbofans
Thrust:
27,557 pounds each
Length:
21.94 meters (71.98 feet)
Height:
5.93 meters (19.45 feet)
Wingspan:
14.7 meters (48.22 feet)
Speed:
2,500 kmh (1,553 mph) at 30,000 feet
Ceiling:
18,000 meters (59,055 feet)
Weight:
20,774 kilograms (45,801 pounds) empty
Maximum Takeoff Weight:
30,000 kilograms (66,138 pounds)
Range:
4,000 kilometers (2,485 miles)
Crew:
One (two in some variants)
Armament:
One GSh-30-1 30mm internally mounted cannon with 150 rounds of ammunition
6,000 kilograms (13,228 pounds) of external ordinance including missiles, rockets, gravity bombs, and guided munitions carried on 10 hardpoints
Date Deployed:
1984
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David
Sat January 3, 2004 10:15pm
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T-55 MBT
Function: Soviet front line MBT during the 1950s.
Background: Introduced in 1949, the T-54/55 is in service with more countries world-wide and in greater numbers than any other tank manufactured since World War II. The first new tank of the post-World War II Soviet Union, the T-54/55 can trace its lineage back to the IS series Stalin heavy tanks and the revolutionary T-34 medium tanks.
The T-54 entered production in the Soviet Union in 1947, and was fielded with Soviet ground forces in 1949. By 1958, the T-54 had undergone a number of improvements and modifications and was re-designated the T-55. The T-55 represents an evolution of the T-54 rather than a completely new design.
The T-55 was produced by the Soviet Union through 1981. In addition, the T-55 was also produced in China (where it was designated the Type 59), Czechoslovakia, and Poland. The T-55 is capable of fording to a depth of 1.4m without modification and to 5.5m with the addition of a snorkel kit. The T-55 is capable of producing onboard smoke by injecting vaporized diesel fuel directly onto the engine exhaust.
Though time and technology have rendered the T-55 obsolete as a front-line main battle tank, large numbers of 54/55s remain in service with militaries world-wide. The T-55 saw service in Hungary in 1956, Czechoslovakia in 1968, and in Syria in 1970. In addition, it was the main battle tank used by the Arab forces during the 1967 and 1973 Arab-Israeli wars. During the 1970s the T-54/55 also saw extensive use during the border wars in Africa. Since so many T-54/55s remain in service, many countries, such as Israel, Pakistan, and India offer upgrade packages to rebuild existing tanks using more modern, and in many cases Western, fire control components, thus extending their usable life even further.
There are currently seven production models of the T-54/55, and more than a dozen variants.
Description: The T-54/55 tank follows a conventional layout, with a dome-shaped turret centrally located on the hull and the engine mounted in the rear. The 54/55 has a crew of four; driver (located in the left hand side of the hull, forward of the turret) loader (right hand side of the turret) tank commander and gunner (both located on the left side of the turret.
The T-54/55 can be identified by the distinct gap between the first and second of its five large cast road wheels. The 54/55 uses steel track (this may be substituted for padded track in modified versions), a torsion bar "live track" suspension with no return rollers and a rear mounted drive sprocket. The T-55 does not use armored fuel cells. Instead, the fuel is stored in exposed tanks on the track fenders. The engine exhaust is expelled out the left rear side of the hull.
The 100mm cannon is centrally mounted in the turret. The cannon trunions are not protected by an armored mantlet, but rather a canvas sleeve that protects the mechanism from the elements. There is no fume extractor on the T-54, while the T-55 has a bore evacuator mounted on the muzzle of the gun.
There are two hatches on the top of the turret (loader's and tank commanders.) Both hatches open forward. In the T-54 the 12.7mm DShK AA MG is mounted in the commander's station; on the T-55 ("A" version and beyond) the machine gun is located in the loader's position.
Two infantry support rails (one straight, one curved) are affixed to the turret sides. These may be removed to accommodate ERA, APS or applique armor packages. If present the main IR searchlight will be mounted on top of the turret (to the left of the gun.) An additional searchlight may be mounted on the commander's hatch. If present, the laser rangefinder will be mounted externally on the top of the main gun itself.
Because the T-55 does not use synchronized optics for the main gun, another identifying characteristic of the T-55 is the large sighting oval on the left hand side of the turret next to the gun mantlet. The aperture on the right hand side of the turret is the firing port for the coaxial PKT-T machine gun.
General Characteristics, T-55 Main Battle Tank
Manufacturers:
Soviet Union, Czechoslovakia, and Poland
Transmission:
Automatic
Engine:
580hp liquid cooled V-12 diesel
Length. Gun Forward:
20.15 feet (6.20 meters)
Width:
11.7 feet (3.60 meters)
Height:
7.54 feet (2.32 meters)
Combat Weight:
40.5 tons
Cruising Range:
500 kilometers (715 kilometers with additional fuel tanks)
Speed:
Maximum: 31 mph (50 kph)
Off road: 22 mph (35 kph)
Fording:
Without Preparation:
54.5 feet (1.4 meters)
With Snorkel:
17.9 feet (5.5 meters)
Crew:
Four (Loader, driver, gunner, tank commander)
Armament:
Main:
100mm rifled gun, D-10T2S
AT-10 Sheksna Cannon launched ATGM
Secondary:
One 12.7mm DShK anti-aircraft machine gun (loader's station.)
One 7.62mm PKT-T coaxial machine gun
Ammunition:
43 main gun rounds.
Sensors:
Drozd APS (T-55AMD, T-55AD Drozd)
Introduction Date:
1949
Variants:
T-54A: The initial production model of the T-54 tank. It has a bore evacuator at the end of the barrel for the 100mm gun, a stabilization system for the main gun (in the vertical plane only) and deep fording equipment. The turret is also equipped with a coaxially mounted PKT-T 7.62mm machine gun, and the tank commander's station is equipped with a 12.7mm DShK anti-aircraft machine gun.
T-54AK: Command tank variant of the T-54. The AK variant is a T-54A with long-range radio transmitting capability. The Polish model is the T-54AD.
T-54B: Equipped with active infra-red sights, giving the tank a limited night time fighting ability.
T-55: Essentially an upgraded T-54. The T-55 incorporates a more powerful water-cooled V-12 diesel engine. The cruising range has also been increased from 400km to 500km (range can be increased to 715km with the addition of auxiliary fuel tanks mounted on the rear of the hull.) The T-55 uses a new turret design, which incorporates an improve ventilation design and hatch design. The initial production T-55 did not have the 12.7mm DShK AA MG.
T-55A: Incorporates a new anti-radiation lining in the turret as well as a Nuclear Biological Chemical (NBC) air filtration system. The T-55A Model 1970 saw the re-introduction of the 12.7mm DShK AA MG, though it is now mounted at the loader's station.
T-55M: Added the Soviet made Volna fire control system (dual axis stabilization, laser range finder) as well as a cannon launched ATGM (AT-10 Sheksna.) Upgrades in armor protection included the addition of side skirts on the track, applique armor, as well as smoke grenade launchers. T-54s upgraded to the "M" standard were designated the T-54M
T-55AM: Adds an armor band around the front of turret for 180? coverage (similar to the T-72B "Dolly Parton" variant.)
T-55AMV: Substitutes Explosive Reactive Armor for the "bra" armor belt of the "AM" variant. Some variants have replaced the standard T-55 V-12 diesel with the 780hp V-46 12 cylinder diesel engine from T-72 MBT.
T-55AM2B: Czech version of T-55AMV with Czech built Kladivo fire control system.
T-55AM2: Variant of the T-55AM that incorporates all of the upgrades of the "M" and "AM" except for the Volna fire control system and cannon launched AT-10 ATGM.
T-55AM2P: Polish version of T-55AMV. Equipped with the Polish built Merida fire control system.
T-55AMD: T-55AMV incorporating the Drozd Active Protection System (APS) instead of ERA. Developed by the Soviet Union in 1977, the Drozd system was designed as an active defense against ATGMs and anti-tank grenades. The system was based on a number of millimeter-wave radar transceivers situated around the turret. The radar sensors would detect the approach of an ATGM and fire off short-ranged fragmentation rockets that were intended to shred the incoming missile. To prevent accidental discharge, the system was equipped with a filter to react only to objects flying at characteristic ATGM speeds. The four-barreled launchers were located on the forward part of the turret and only provided protection for the front 60? portion of the turret. To change the covered arc of coverage the crew would have to rotate the turret and orient the coverage cone on the threat.
T-55AD Drozd: Naval Infantry T-55A variant equipped with Drozd but not the Volna fire control system or ERA.
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