The Multiple Launch Rocket System (MLRS) was designed and is being produced by Lockheed Martin Vought Systems for the U.S. Army, as well as the armies of several allied nations.

MLRS is a highly mobile, automatic system that fires surface-to-surface rockets from the M270 weapons platform.  The M270 weapons platform also launches Army Tactical Missile System (ATACMS) missiles.

From inside the cab, the crew of three can fire up to 12 MLRS  rockets in less than a minute.

MLRS/GSRS:

Cost Effectiveness
Family of Munitions
M270A1 Launcher