917th Maintenance Squadron welcomes new commander
Chief Master Sgt. Derek K. Conrad, maintenance supervisor, 917th Maintenance Squadron, Maj. Leo J. Kamphaus Jr., commander,917 MXS and Col. Jeffrey S. Mullen, commander, 917th Maintenance Group stand tall during the national anthem at the 917 MXS assumption of command ceremony at Barksdale Air Force Base, La., August 7, 2010. Colonel Mullen presided over the ceremony during which Major Kamphaus assumed command of the unit. (U.S. Air Force photo/Senior Airman Crystal Marie Jordan)