Tech. Sgt. Joseph Monreal, the 436th Operations Support Squadron Survival, Evasion, Resistance and Escape Operations flight chief, watches as a trainee uses a seam in a C-9 round parachute canopy to move from one edge to the other during aircrew water survival refresher training in the Delaware Bay July 17, 2015, near Dover Air Force Base, Del. Aircrew members of the 436th Airlift Wing and 512th Airlift Wing operate the C-5M Super Galaxy and C-17A Globemaster III, and had members who participated in the required refresher training. (U.S. Air Force photo/Greg L. Davis)