U.S Airforce I

An A-10 Thunderbolt II takes off at Bagram Airfield, Afghanistan, Sept. 25, 2012. The A-10’s capabilities allow it to conduct operations in locations in and out of front line combat. (U.S. Air Force photo/Capt. Raymond Geoffroy)

F-35A Lightning II joint strike fighter crew chief Staff Sgt. Darron Cothran (left) and a Lockheed Maintainer from the 58th Aircraft Maintenance Unit at Eglin Air Force Base, Fla., pull the wheel chalks on the jet before taking off for a local training mission over the Emerald Coast Sept. 18, 2012. (U.S. Air Force photo/Master Sgt. Jeremy T. Lock)

A B1-B Lancer aircraft takes off at night toward the Las Vegas Strip during exercise Green Flag at Nellis Air Force Base, Nev., Oct. 30, 2012. The aircraft is assigned to the 34th Bomb Squadron at Ellsworth AFB, South Dakota. (U.S. Air Force photo/Val Gempis)

A B-1B Lancer approaches a KC-135 Stratotanker after being refueled during the Green Flag-West 13-2 exercise Nov. 4, 2012 over Nevada. A typical Green Flag exercise involves two multi-role fighter and/or bomber squadrons, unmanned aircraft, electronic warfare aircraft and aerial refueling aircraft. The B1B Lancer is from the 28th Bomb Wing at Ellsworth Air Force Base, S.D., and the KC-135 Stratotanker is from the 350th Air Refueling Squadron at McConnell AFB, Kan. (U.S. Air Force photo/Staff Sgt. Christopher Hubenthal)

F-35A Lightning II joint strike fighter maintainers from the 58th Aircraft Maintenance Unit at Eglin Air Force Base, Fla., preflight the jet before taking off for a local training mission over the Emerald Coast Sept. 18, 2012. (U.S. Air Force photo/Master Sgt. Jeremy T. Lock)

An A-10 Thunderbolt II flies off the wing of a KC-135 Stratotanker during a coronet mission over Egypt, Oct. 12, 2012. The A-10 is from the Arkansas Air National Guard’s 188th Fighter Wing and the KC-135 is from 100th Air Refueling Wing at Royal Air Force Mildenhall, England. A coronet is when an aerial refueling tanker escorts fighters over long distances, regularly topping off their fuel tanks along the way. The 188th FW aircrew was returning home from a deployment to Bagram Airfield, Afghanistan in support of Operation Enduring Freedom. (U.S. Air Force photo/Staff Sgt. Austin M. May)

Three A-10 Thunderbolt II fly in the missing man formation during the funeral of Col. Wendell Keller, of Fargo, N.D., and Capt.Virgil K. Meroney, of Fayetteville, Ark., at the Arlington National Cemetery Oct. 20, 2012. March 1, 1969, Keller and Meroney were the crew of an F-4D Phantom II aircraft that went down while carrying out a night time strike mission in Khammouan Province, Laos. Nearby aircrews reported seeing the aircraft hit by enemy fire. No parachutes were seen after the aircraft was hit. Heavy enemy presence in the area prevented recovery efforts. Between 1994 to 2011, the (U.S. Air Force photo/Master Sgt. Cecilio Ricardo)

An F-35A Lightning II joint strike fighter conventional takeoff and landing aircraft completed the first in-flight weapons release of a 2,000 pound GBU-31 BLU-109 Joint Direct Attack Munitions from a 5th Generation fighter, Oct. 16, 2012. (Courtesy photo)

Airmen from the 3rd Wing and 477th Aircraft Maintenance Squadron perform a hot-pit refuel with an F-22 Raptor at Joint Base Elmendorf-Richardson, Alaska. During a hot-pit refuel, the pilot will stay in the cockpit with the jet running while the maintenance crews perform safety checks and refuel the aircraft allowing it to return to flight in less than 30 minutes. (U.S. Air Force photo/Tech. Sgt. Dana Rosso)

An F-35A Lightning II joint strike fighter from the 33rd Fighter Wing at Eglin Air Force Base, Fla., flies over the Emerald Coast Sept. 19, 2012. (U.S. Air Force photo/Master Sgt. Jeremy T. Lock)

An F-35A Lightning II joint strike fighter from the 33rd Fighter Wing at Eglin Air Force Base, Fla., and an F-22A Raptor from the 43rd Fighter Squadron at Tyndall Air Force Base, Fla., soar over the Emerald Coast Sept. 19, 2012. This was the first time the two fifth-generation fighters have flown together for the Air Force. (U.S. Air Force photo/Master Sgt. Jeremy T. Lock)

U-2 pilot looks outside while flying the aircraft. U-2 pilots wear full-pressure suits that ensure survivability during depressurization. (U.S. Air Force photo