Staff Sgt. David A. Hagan II, 89th Aerial Port Squadron air transportation standardization evaluator, monitors as Staff Sgt. Jonathan Gordner, 89 APS unit training manager, stages an ISU 90 mobile container full of medical supplies onto a pallet from a recent medical evacuation mission. Sergeant Hagan is responsible for ensuring evaluations are being accomplished to provide the unit commander, leadership, and Air Mobility Command with factual information about the health and effectiveness of the squadron. (U.S. Air Force photo/ Bobby Jones)