A Marine from Kansas was among the five Marines who were killed Tuesday night in the crash of a helicopter near San Diego, California. Lance Corporal Donovan Davis, 21, of Olathe, Kansas was among the Marines on board the copter. The others were identified as helicopter crew chief Sargent Alec Langen of Arizona, Captain Benjamin Moulton of Idaho, Captain Jack Casey of New Hampshire and Captain Miguel Nava of Michigan.