Saturday, November 29, 2014


M270A1 MLRS (Multiple Launch Rocket System) – 991

In service: 1983-present
Designer: Vought Corporation
Designed: 1977
Manufacturer: Lockheed Martin, Diehl BGT Defence
Produced: 1980-2003

Weight: 24,950 kg
Length: 6.85 m
Width: 2.97 m
Height: 2.59 m
Crew: 3
Rate of fire:
Rockets – 12 rounds in < 40 sec;
Missiles – 2 rounds in 10 sec
Effective firing range: 64 km
Main armament: M269 Launcher Loader Module
Engine: Cummins Diesel, 500 hp (368 kW)
Operational range: 640 km
Speed: 64.3 km/h

MLRS rockets and missiles
M26: Rocket with 644 M77 Dual-Purpose Improved Conventional Munitions (DPICM) submunitions, range of 32 km:
M26A1 – Extended Range Rocket (ERR), with range of 45 km and 518 M85 submunitions (an improved version of the M77 DPICM submunition);
M26A2 – As M26A1, but using M77 submunitions. Interim use until M85 submunition entered service
XM29: Rocket with Sense and Destroy Armor (SADARM) submunitions. Not standardized
M30: Guided MLRS (GMLRS). A precision guided rocket, range over 60 km with a standard load of 404 M85 submunitions
M31: Guided Unitary MLRS. Variant of the M30 with a unitary high-explosive warhead for use in urban and mountainous terrain
M39 (MGM-140): Army Tactical Missile System (ATACMS). A large guided missile using the M270 launcher, with a variety of warheads
XM135: Rocket with binary chemical warhead (VX (nerve agent)). Not standardized.

Selected rocket specifications
Caliber: 227 mm
Length: 3.94 m
Motor: Solid-fuel rocket
M26 – 306 kg;
M26A1/M26A2 – 296 kg
Range (max):
M26 – 32 km;
M26A1/M26A2 – over 45 km;
M30/M31 – 70 km
Guidance: M30/M31 – GPS/INS
M26 – 644 M77 DPICM submunitions;
M26A1 – 518 M85 DPICM submunitions;
M26A2 – 518 M77 DPICM submunitions;
M30 – 404 M85 DPICM submunitions;
M31 – 90 kg unitary HE

The M993 is a derivative of the Bradley Fighting Vehicle chassis
MGM-140 ATACMS – Army Tactical Missile System

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