SPANGDAHLEM AIR BASE, Germany -- Gen. Roger A. Brady, U.S. Air Forces in Europe commander, celebrates Peter Plei’s retirement by attaching a 40-year retirement pin onto Mr. Plei’s lapel at the Air Force Ball held on Spangdahlem Air Base, Germany, Sept. 20, 2008. The 2008 Air Force Ball commemorates the Air Force’s 61st birthday. (U.S. Air Force photo by Master Sgt. Alexander Ray)