Complex sentence: The Mediterranean Air Command (MAC) was the official Allied air force command organization in the North African and Mediterranean Theater of Operations (MTO) between February 18 and December 10,1943.
Split into simpler sentences: The Mediterranean Air Command (MAC) was an Allied air force command active during 1943. It was active in the North African and Mediterranean Theater of Operations (MTO) between February 18 and December 10,1943.