140328-F-QO662-043
Capt. Derek Anderson, 494th Fighter Squadron pilot (left), and Maj. Reed Kastner, 494th Fighter Squadron weapons system officer, perform a preflight inspection on an F-15E Strike Eagle on the flightline at Royal Air Force Lakenheath, England, March, 28, 2014. The 494th FS is participating in Exercise Tonnerre Lightning, which is a series of training aimed at improving interoperability between the partner-nation air forces of the United Kingdom, France, and the United States. (U.S. Air Force photo by Airman 1st Class Nigel Sandridge)