7/17/2012 - Airman 1st Class Sean Porterfield, 2nd Maintenance Squadron aerospace ground equipment journeyman, cuts a chain with a grinder on Barksdale Air Force Base, La., July 16. Porterfield cut the chain to replace the platform on a B-4 stand. The stands are used to help maintenance Airmen work on aircraft like the B-52H Stratofortress. (U.S. Air Force photo/Airman 1st Class Micaiah Anthony)(RELEASED)

7/17/2012 - Airman 1st Class Joseph DeArment, 2nd Maintenance Squadron aerospace ground equipment journeyman, inspects a MHU-83 D/E bomb lift on Barksdale Air Force Base, La., July 16. After replacing the outrigger, DeArment tested the machine. Aerospace ground equipment Airmen maintain, inspect, test and operate AGE to ensure serviceability. (U.S. Air Force photo/Airman 1st Class Micaiah Anthony)(RELEASED)