Top Knife
                        
                        
                        Graduates of the first 173rd Fighter Wing reinstated  Top Knife course pose for a group photo on top of an F-15 Eagle at Kingsley Field, Klamath Falls, Ore. April 7, 2013.  Top Knife is a two-week program that trains flight surgeons the physiological effects of flying in a fighter aircraft.  (U.S. Air Force photo by Tech. Sgt. Jefferson Thompson) RELEASED