KC-135R Safety Briefing
As part of a preflight safety briefing, Chief Master Sergeant Anthony Cassella demonstrates how to use an emergency personal oxygen system (EPOS) to broadcast-journalist Lynn Herman, WBIN-TV, Derry, NH (left), NH Senator Jeanne Shaheen, and Senator Shaheen's staff members Sarah Holmes and Patrick Day,Pease Air National Guard Base, December 9, 2011. (released/NH ANG photo by Technical Sergeant Aaron Vezeau)