Following the withdrawal of the U.S. military from South Vietnam in 1973, the U.S. Army ceased routinely issue of camouflage clothing. The 1st Battalion, 13th Infantry Regiment wore the ERDL pattern as an experiment from January 1973 to 1974[9] in Baumholder, Germany. lSoldiers in the 1st and 2nd Ranger Battalions received ERDL jungle fatigues of all three varieties as organizational issue, and during this same period U.S. Army Special Forces Groups, the U.S. Army John F. Kennedy Special Warfare Center and School, the 82d Airborne Division and 36th Airborne Brigade (Texas National Guard) were issued the ERDL jungle fatigues. 1st Battalion (mechanized), 41st Infantry, wore ERDL uniforms in 1974 and 1975.