Green Flag-West 11-9

U.S. Air Force Staff Sgt. Demetrius Johnson, 20th Aircraft Maintenance Squadron aircraft armament craftsman, from Shaw Air Force Base, S.C., marshals out a F-16 Fighting Falcon for a training mission during Green Flag-West 11-9 Aug. 15, 2011, at Nellis AFB, Nev. Green Flag-West provides a realistic close-air support training environment for forces preparing to support worldwide combat operations. (U.S. Air Force photo by Senior Airman Brett Clashman/Released)

Nellis hosts large-scale mobility exercise

U.S. Air Force 1st Lt. Matt Ables, C-130 Hercules pilot, 50th Airlift Squadron, Little Rock Air Force Base, Ark., relaxes on a C-130 Hercules ramp following a Mobility Air Forces Exercise mission May 18. Approximately 40 C-17 Globemaster III and C-130 aircraft assembled in aerial formations over the Nevada Test and Training Range to conduct air and ground operations as part of the bi-annual, U.S. Air Force Weapons School training event. (U.S. Air Force photo/Senior Airman Brett Clashman)

Nellis hosts large-scale mobility exercise

U.S. Air Force C-130 Hercules aircraft taxi at Nellis Air Force Base, Nev. after completing a Mobility Forces Exercise mission May 18. Approximately 40 C-17 Globemaster III and C-130 aircraft assembled in aerial formations over the Nevada Test and Training Range to conduct air and ground operations as part of the bi-annual, U.S. Air Force Weapons School training event. (U.S. Air Force photo/Senior Airman Brett Clashman)

Nellis hosts large-scale mobility exercise

A formation of U.S. Air Force C-130 Hercules aircraft approach Nellis Air Force Base, Nev. after completing a Mobility Forces Exercise mission May 18. Approximately 40 C-17 Globemaster III and C-130 aircraft assembled in aerial formations over the Nevada Test and Training Range to conduct air and ground operations as part of the bi-annual U.S. Air Force Weapons School training event. (U.S. Air Force photo/Senior Airman Brett Clashman)

Nellis hosts large-scale mobility exercise

U.S. Air Force Staff Sgt. Christopher Rhodus, a C-130 Hercules crew chief assigned to the19th Aircraft Maintenance Squadron, Little Rock Air Force Base, Ark., performs intake and exhaust inspection at Nellis Air Force Base, Nev., following a Mobility Forces Exercise mission May 18. Approximately 40 C-17 Globemaster III and C-130 aircraft assembled in aerial formations over the Nevada Test and Training Range to conduct air and ground operations as part of the bi-annual, U.S. Air Force Weapons School training event. (U.S. Air Force photo/Airman 1st Class Matthew Lancaster)

Nellis hosts large-scale mobility exercise

A U.S. Air Force C-17 Globemaster III departs Nellis Air Force Base, Nev., May 18, 2011 during a Mobility Air Forces Exercise. Approximately 40 C-17s and C-130 Hercules aircraft assembled in aerial formations over the Nevada Test and Training Range to conduct air and ground operations as part of the bi-annual, U.S. Air Force Weapons School training event. (U.S. Air Force photo/Airman 1st Class Matthew Lancaster)