The Joint Light Tactical Vehicle (JLTV) program was a U.S. Army, U.S. Marine Corps and Special Operations Command competition to select a vehicle to partially replace the Humvee fleet with a family of more survivable vehicles having a greater payload. Early studies for the JLTV program were approved in 2006. The JLTV program incorporates lessons learned from the earlier Future Tactical Truck Systems program and other associated efforts.