U.S. Air Force Staff Sgt. Evan Schuelke, 9th Physiological Support Squadron life support technician, explains parts of the U-2 Dragon Lady pressure suit to U.S. Air Force Chief Master Sgt. Richard Parsons, command chief of Air Combat Command, June 21, 2012 at Beale Air Force Base, Calif. Parsons was introduced to the U-2 mission with a viewing of a full pressure suit and a chase car orientation. (U.S. Air Force photo by Mr. John Schwab/Released)