5th MUNS prepares for GSC Published Aug. 4, 2014 By Senior Airman Brittany Y. Bateman Minot Air Force Base Public Affairs MINOT AIR FORCE BASE, N.D. -- Airmen from the 5th Munitions Squadron build a munitions assembly conveyor during practice for Global Strike Challenge on Minot Air Force Base, N.D. The MAC is an assembly line for munitions and speeds up the process of their build. It's designed to provide a mobile capability to rapidly assemble and disassemble conventional munitions providing a means to load and unload from the munitions handling trailer.