FILE - This is an April 4, 1999, file photo, provided by the Department of Defense shows a US Air force F-15C jet. An Air Force F-15C fighter jet based in Massachusetts crashed in the mountains of ... more 
FILE - This is an April 4, 1999, file photo, provided by the Department of Defense shows a US Air force F-15C jet. An Air Force F-15C fighter jet based in Massachusetts crashed in the mountains of western Virginia on Wednesday, Aug. 27, 2014. The jet was on a standard training exercise to receive a system upgrade and had no munition onboard, said Maj. Matthew Mutti, from Barnes Air National Guard Base. Officials said the pilot's status was unknown. (AP Photo/US Department of Defense) less 
1 / 30
Associated Press | Photo By US Department of Defense
Wed, Aug 27, 2014 12:39 PM EDT