Complex sentence: It was activated 1 June 1941 at Fort Leonard Wood, Missouri and reorganized and redesignated 20 August 1943 as Company A, 1st Battalion, 29th Quartermaster Truck Regiment.
Split into simpler sentences: It was activated 1 June 1941 at Fort Leonard Wood Missouri. It also reorganized and redesignated 20 August 1943 as Company A, 1st Battalion, 29th Quartermaster Truck Regiment.