The U.S. Navy, says retired Rear Admiral Eugene Carroll, "is a pretty tough place to earn a living." No kidding. During one four-day period last week:
-- A pilot making his first attempt at an aircraft-carrier landing crashed into the deck of the U.S.S. Lexington, killing himself, three crew members and a civilian.
-- An F/A-18 pilot from the U.S.S. Midway accidentally dropped a 500-lb. bomb on the guided-missile cruiser U.S.S. Reeves, injuring five sailors.
-- A sailor on the aircraft carrier U.S.S. Carl Vinson was swept overboard and drowned in the Pacific.
-- Three sailors -- and $4 million worth...