Chief Master Sgt. Jim provides a member of the Pierce County Metro Dive Team from Tacoma, Wash., an orientation on the capabilities, entry and exit points of the C-17 Globemaster III at McChord Field, Wash., Jan. 10, 2013. The dive team visited McChord to receive training on the aircraft, so they would be ready for an incident response in the case of an off-base water landing. Masura is a standardization and evaluation loadmaster assigned to the 446th Operations Group. (U.S. Air Force photo by Master Sgt. Jake Chappelle)