CHARLOTTE, NC – Tech. Sgt. Barry Blackwood, 156th Airlift Squadron, sits among fellow Airman in a bunker outside of operations after evacuating the building due to a simulated fire. The evacuation was part of an ATSO exercise during “super drill” weekend at the 145th Airlift Wing, North Carolina Air National Guard. NCANG Photo by SSgt Rich Kerner/PAO Released