From left: Army Chief of Staff Gen. George Casey, Army Secretary Pete Geren, Sgt. Maj. of the Army Kenneth Preston and Army Maj. Gen. Galen Jackman salute while Taps is played for the Army's 233rd birthday tribute at Arlington National Cemetery, Va., June 14, 2008. From left: Army Chief of Staff Gen. George Casey, Army Secretary Pete Geren, Sgt. Maj. of the Army Kenneth Preston and Army Maj. Gen. Galen Jackman salute while Taps is played for the Army's 233rd birthday tribute at Arlington National Cemetery, Va., June 14, 2008. SHARE: Download: Full Size (4.71 MB) Tags: Photo Essays Credit: VIRIN: 982139-Y-ZBV49-757.jpg Photo Gallery