6/26/2012 - U.S. Air Force Senior Airman Robert Garcia performs a buddy check on Senior Airman Ronald Lozada donning a 3M Full Face Respirator prior to entering a B-1 Weapons bay tank during an annual confined space extraction exercise in Southwest Asia, June 19, 2012. Both Airmen are fuel system journeymen assigned to the 379th Expeditionary Maintenance Squadron. Garcia is deployed from the 452nd Maintenance Squadron, March Air Reserve Base, Calif., and is a native of Riverside, Calif., and Lozada is deployed from the 22nd Maintenance Squadron, McConnell Air Force Base, Kan., and is a native of Salinas, Calif. (U.S. Air Force photo/Staff Sgt. Sheila

6/26/2012 - U.S. Air Force Staff Sgt. Everett West (foreground) hauls out Senior Airman Ronald Lozada during an annual confined space extraction exercise in Southwest Asia, June 19, 2012. Both Airmen are assigned to the 379th Expeditionary Maintenance Squadron. West is deployed from 7th Component Maintenance Squadron, Dyess Air Force Base, Texas and Lozada is deployed from the 22nd Maintenance Squadron, McConnell Air Force Base, Kan. (U.S. Air Force photo/Staff Sgt. Sheila deVera)

6/26/2012 - U.S. Air Force Senior Airman Robert Garcia (left) and Staff Sgt. Everett West (right) prepare to lift Senior Airman Ronald Lozada away from the B-1 Weapons bay tank after he was discovered non-responsive an annual confined space extraction exercise in Southwest Asia, June 19, 2012. All airmen are assigned to the 379th Expeditionary Maintenance Squadron. (U.S. Air Force photo/Staff Sgt. Sheila deVera)

6/26/2012 - U.S. Air Force Senior Airman Robert Garcia, 379th Expeditionary Maintenance Squadron fuels system journeyman, runs to the nearest office to alert staff members to call fire department, medical services, and the maintenance operations center for a non-responsive airman during an annual confined space extraction exercise in Southwest Asia, June 19, 2012. Garcia is deployed from the 452nd Maintenance Squadron, March Air Reserve Base and a native of Riverside, Calif. (U.S. Air Force photo/Staff Sgt. Sheila deVera)