An HH-60M Medical Evacuation crew chief waves as Spc. Eric Daniels, a petroleum supply specialist from E Company, 2nd Battalion (Assault), 10th Combat Aviation Brigade, Task Force Knighthawk, exits from beneath the rotor disc after refueling the aircraft Dec. 4, at Forward Operating Base Shank, Afghanistan. (U.S. Army Photo by Capt Peter Smedberg/Released)