The man killed during a F-18 fighter jet training exercise was a 25-year-old U.S. Marine Corps pilot, officials said Tuesday. First Lt. Brian R. Deforge of Plattsburgh, N.Y., died in Monday's mid-air collision, U.S. Navy spokeswoman Lt. Sonja Hanson said. Deforge and another pilot, whose name has not been released, were practicing dogfighting maneuvers when they crashed over Fort Hunter Liggett, a remote U.S. Army Reserve base 150 miles south of San Francisco, said Navy spokesman Dennis McGrath. Deforge, a graduate of the U.S. Naval Academy, chose to go into the Marines Corps as a pilot, Hanson said. Both Navy...