General (GEN) Charles A. Gabriel, chief of staff, US Air Force, and CHIEF MASTER Sergeant (CMSGT) James Armstrong, 1ST Sergeant of Detachment 11, cut a symbolic ribbon opening the Zulu alert facility during a change of command ceremony. The Air National Guard Air Defense Alert Detachment 11 will be assuming command of the Zula air defense alert mission from the 526th Tactical Fighter Squadron