Keywords: 120614-F-MQ656-421 (7402810770).jpg U S Air Force Staff Sgt Greg Penrod a crew chief with the 20th Aircraft Maintenance Squadron performs a postflight exhaust inspection on an F-16 Fighting Falcon aircraft assigned to the 77th Fighter Squadron at Eielson Air Force Base Alaska June 14 2012 during exercise Red Flag-Alaska 12-2 Red Flag-Alaska is a series of Pacific Air Forces commander-directed field training exercises for U S forces providing joint offensive counter-air interdiction close air support and large force employment training in a simulated combat environment DoD photo by Tech Sgt Michael R Holzworth U S Air Force/Released https //www flickr com/photos/39955793 N07/7402810770/ 120614-F-MQ656-421 2012-06-14 11 46 https //www flickr com/people/39955793 N07 U S Department of Defense Current Photos PD-USGov U S Department of Defense Current Photos https //flickr com/photos/39955793 N07/7402810770 2016-09-03 10 52 17 United States Government Work Bombs Defense Media Activity Eielson Air Force Base Gamblers General Dynamics F-16 Fighting Falcon |