March Field "Blue Eagles" Honor Guard furl the commander's flag during a retirement ceremony for Major General Robert E. Duignan, Commander, Headquarters 4th Air Force, who relinquished command to Brig. Gen. Eric Crabtree. The ceremonies took place in a C-17 hangar at March ARB, Calif,, Jan. 25, 2009. (U.S. Air Force photo.Technical Sgt. Joselito Aribuabo)(released)