Members of the Air Force Reserve 446th Aeromedical Evacuation Squadron work during a training fight on a C-17 cargo plane out of Joint Base Lewis-McChord, Wash., Wednesday, Jan. 21, 2015. Air Force Reserve and Air National Guard units support nearly nine out of 10 aeromedical evacuation missions. (AP Photo/Ted S. Warren)President Barack Obama greets people on the tarmac as he arrives on Air Force One at Gowen Field Air National Guard Base?, Wednesday, Jan. 21, 2015, in Boise , Idaho, en route to Boise State University where he will discuss the themes in his State of the Union address. (AP Photo/Carolyn Kaster)U.S Army soldiers of the 4th Infantry Brigade, Combat team (Airborne) 25th Infantry Division, part of the NATO-led peacekeeping mission in Kosovo during a parachute jump training exercise in U.S military base Camp Bondsteel, near the village of Sojeve in Kosovo on Thursday, Jan. 22, 2015. U.S Army peacekeeping force regularly conducts parachute exercises to maintain proficiency in airborne operations on this deployment in Kosovo. (AP Photo/Visar Kryeziu)IMAGE DISTRIBUTED FOR USAA - NFL Pro Bowler Nick Mangold, right, speaks with USAF Master Sergeant Jeffery Braselton during the Airman for a Day event sponsored by USAA, the Official Military Appreciation Sponsor of the NFL on Wednesday, Jan. 21, 2015 in Glendale, Ariz. (Rick Scuteri/AP Images for USAA)Two HH-60G Pave Hawk helicopters respond in a combat scenario for search and rescue on the Royal Air Force Lakenheath facility in the United Kingdom, Jan. 16, 2015. The helicopters are assigned to the 56th Rescue Squadron.
U.S. Air Force photo by Airman 1st Class Trevor T. McBride Air Force's Hayden Graham goes up for a shot past San Diego State's Winston Shepard during the first half of an NCAA college basketball game at Air Force Academy, Colo., on Tuesday, Jan. 20, 2015. San Diego State won 77-45. (AP Photo/The Gazette, Jerilee Bennett)An Atlas V rocket carrying the U.S. NavyÕs Mobile User Objective System, a tactical satellite system to improve ground communications for U.S. forces on the move, creates a light trail as it lifts off from Cape Canaveral, Fla., Jan. 20, 2015.
Courtesy photoU.S. Navy ships conduct a composite training exercise to prepare for an upcoming deployment in the Atlantic Ocean, Jan. 12, 2015. The ships are assigned to the Theodore Roosevelt Carrier Strike Group.
U.S. Navy photo by Senior Chief Petty Officer Rodney Davidson Marines aboard a rigid-hulled inflatable boat prepare to board a simulated enemy vessel during a visit, board, search and seizure exercise in the Atlantic Ocean, Jan. 15, 2015. The Marines are assigned to the 24th Marine Expeditionary UnitÕs Maritime Raid Force, Force Reconnaissance Company, 2nd Reconnaissance Battalion.
U.S. Marine Corps photo by Lance Cpl. Dani A. Zunun From left, Pvt. James H. Tucker, 2nd Battalion, 9th Infantry (Mechanized), 1st Armored Brigade, 2nd Infantry Division, grapples with Spc. Nicholas D. Peace, 1st Battalion, 15th Field Artillery Regiment, 1st Armored Brigade, 2nd Infantry Division, in the first night of 2015 Saturday Night Fights at Hansen Field House, Camp Casey, South Korea, Jan. 17.