March Field Honor Guard TSgt. Neil Ballacer and Marine Sergeant Kyle Duignan, salute the flag that SGT. Duignan just presented to his father, Maj. Gen. Robert E. Duignan, Commander, 4th Air Force, at the general's retirement ceremony, Jan 25, 2009 at March ARB, Calif. The general struggled to keep his emotions in check during the presentation. (U.S. Air Force courtesy photo) (released)