General Dynamics Ordnance and Tactical Systems (GD-OTS) is a manufacturer of defense and aerospace systems. It offers aircraft gun systems, gun barrels, naval platform systems, ammunition, missile and rocket subsystems, warheads, composite aerospace structures, motion control components, and protection systems. The company also provides demilitarization, disposal, engineering, and testing services. GD-OTS caters to the defense, aerospace, and naval sectors.