Lt. Col. Houston Waring and 1st Lt. James Duncan take one last look at an F-15E Strike Eagle. U.S. Air Force Lt. Col. Houston Waring and weapons system officer 1st Lt. James Duncan from the 494th Fighter Squadron take one last look at an F-15E Strike Eagle aircraft prior to a flight on Feb. 7, 2007, at Royal Air Force Base Lakenheath, United Kingdom. SHARE: Download: Full Size (0.03 MB) Credit: VIRIN: 350498-A-UAS59-279.jpg Photo Gallery