130829-F-ID984-350
The Acting Secretary of the Air Force Eric Fanning receives lessons on MacDill's Boom Operator Weapon Systems Trainer Aug. 29, 2013, at MacDill Air Force Base, Fla. The BOWST is a fully simulated, large-scale procedural trainer for aerial refueling with replicated aircraft systems, controls, and functions within a complete aircrew boom compartment. (U.S. Air Force photo/Ned T. Johnston)