Complex sentence: The vessel commissioned in May 1943, and was sent to the Pacific Theater of Operations where participated in battles in the Southwest Pacific, Central Pacific, and the drive toward Japan through Iwo Jima, Okinawa, and air raids on Tokyo in the Japanese homeland.
Split into simpler sentences: The vessel commissioned in May 1943, and was sent to the Pacific Theater of Operations. The carrier participated in battles in the Southwest Pacific, Central Pacific, and the drive toward Japan through Iwo Jima, Okinawa, and air raids on Tokyo in the Japanese homeland.