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High Mobility Artillery Rocket SystemThe High Mobility Artillery Rocket System (HIMARS) is the newest member of the Multiple Launch Rocket System (MLRS) family. HIMARS is a highly-mobile artillery rocket system offering the firepower of MLRS on a wheeled chassis. The purpose of HIMARS is to engage and defeat artillery, air defense concentrations, trucks, light armor and personnel carriers, as well as support troop and supply concentrations. HIMARS is able to launch its weapons and move away from the area at high speed before enemy forces are able to locate the launch site. HIMARS retains the same self-loading and autonomous features installed on the MLRS. The Improved Launcher Mechanical System (ILMS) upgrade and electronics of the Improved Fire Control System (IFCS), now being implemented onto MLRS M270 launchers, will be standard equipment on production HIMARS vehicles. HIMARS is operated by a crew of three − driver, gunner and section chief − but the computer-based fire control system enables a crew of two or even a single soldier to load and unload the system. The fire control system includes video, keyboard control, a gigabyte of program storage and global positioning system. The fire control computer allows firing missions to be carried out in automatic or manual mode. In a typical mission, a command and control post would transmit the selected target data via a secure data link to the HIMARS on-board launch computer. The computer then aims the launcher and provides prompt signals to the crew to arm and fire a pre-selected number of rounds. The launcher can aim at a target in just 16 seconds. It is possible for the crew to select preprogrammed multiple mission sequences which have been stored in the computer. In addition to the standard MLRS round, HIMARS is capable of launching the entire MLRS family of munitions, including the Extended-Range Rocket, the Reduced Range Practice Rocket and all future variants. HIMARS will carry a single six-pack of MLRS rockets, or one Army Tactical Missile System missile. The Lockheed Martin GMLRS rocket has a GPS (global positioning system) and inertial guidance package and small canards on the rocket nose to enhance accuracy. The GMLRS is an international program involving UK, Italy, France and Germany as well as the US.
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