Staff Sgt. Raymond LeBlanc, Thunderbirds crew chief, explains the role of personal protective flight equipment to Hampton High School Student Guadalupe Almendarez, 16, May 13, 2011. As Air Force ambassadors, the Thunderbirds display the integrity, selfless service, and excellence embodied by American Airmen everywhere. (U.S. Air Force photo/A1C Teresa Zimmerman)(RELEASED)