U.S. Army soldiers with the 1st Battalion, 501st Infantry Regiment deployed to Combat Outpost Sabari, Afghanistan scan their area as they begin a multi-day air assault mission near the Pakistani border of eastern Afghanistan's Khost province May 2, 2012. (Photo by Staff Sgt. Joshua L. DeMotts/U.S. Air Force)

A group of Navy Search and Rescue swimmer wait in the chilly waters of Coronado Bay, San Diego, Calif., March 15, 2012. (Photo by Tech Sgt. Chris Hibben/U.S. Air Force)

U.S. Army Sgt. Fernando Diaz, a combat medic assigned to 568th Medical Company (Ground Ambulance), Camp Humphreys, Republic of Korea, is blind folded and has ice cold water dumped over his head during a mock interrogation by opposition forces prior to a 100 question written test on medical knowledge as part of the 2012 Pacific Regional Medical Command Best Medic Competition August 30, 2012, at Schofield Barracks, in Wahiawa, Hawaii. The PRMC Best Medic competition is a 72-hour physical and mental test of U.S. Army Medics leadership, teamwork, tactics, medical knowledge and warrior tasks. The winners of the PRMC competition move on to compete for the Army’s Best Medic at Ft. Sam Houston in San Antonio, Texas. (Photo by Tech Sgt Michael R. Holzworth/U.S. Air Force)

Paratroopers from Bravo Company 2/508th Parachute Infantry Regiment put a wounded Soldier on a litter for evacuation after a simulated attack on an Afghan village at the National Training Center at Fort Irwin, Calif., September 15, 2011. NTC is the final training evolution for many Army units prior to deploying into their specific area of operations. (Photo by Staff Sgt. Ashley M Hyatt/U.S. Army)

Afghan National Army Special Operations and Coalition forces search a compound in Southern Afghanistan during a raid targeting a Taliban sub-commander responsible for direct attacks against Coalition and Afghan National Security forces, March 23, 2012. The capture of the Taliban sub-commander is expected to disrupt and degrade the Taliban network, and increase Coalition and ANSF's freedom of movement in the area. (Photo by Staff Sgt. Sean K. Harp/U.S. Army)

Ken Swigart, 52, stares off into the Grand Canyon; the place where the Flagstaff Community Toys For Tots Organization will deliver toys to the children of the Havasupai tribe. Swigart, a retired Navy lieutenant commander, and others join annually with U.S. Marines to deliver toys to the Native American tribe. (Photo by Sgt. A.J. Parson/HMM-764)

U.S. Marines with Echo Company, 2nd Battalion, 1st Marine Regiment (2/1,) Regimental Combat Team 1, and Afghan National Army (ANA) soldiers cross a makeshift bridge during Operation Godfather in Durzay, Afghanistan, January 14, 2011. 2/1 partnered with the ANA successfully cleared the last remaining Taliban stronghold in the southern area of Garmser District. 2/1 discovered and cleared numerous weapons caches and Improvised Explosive Devices (IEDs) while expanding the footprint of the Afghan National Security Forces (ANSF) and Government of Islam Republic of Afghanistan (GIRoA) to the community of Durzay. The Regiment is deployed to the Helmand Province while in support of the International Security Assistance Force. (Photo by Sgt. Christopher R. Rye/2nd Battalion, 1st Marine Regiment)

As the snow falls, U.S. Army Spc. David A. Brooks, a chemical, biological, radiological and nuclear specialist from Virginia Beach, Va., assigned to Forward Support Company G, 2nd Battalion, 320th Field Artillery Regiment, Task Force Balls, provides security during a recent convoy in eastern Afghanistan's Nangarhar Province, February 28. The convoy from Jalalabad to Bagram Airfield took more than 12 hours. (Photo by U.S. Army Sgt. 1st Class Mark Burrell/Task Force Bastogne)

Two young boys run around and play with toy guns in the Ger District in Ulaanbaatar, Mongolia on July 28, 2012. Ger districts usually occupy poor quality land on the outskirts of town. (Photo by Master Sgt. Jeremy Lock/U.S. Air Force)

Sgt. Lucas Simmons, team leader attached to Laghman Provincial Reconstruction Team, rides a bike given to him by a local child during a multi-day operation August 21 in Alingar District, Laghman Province. The PRT, combined with assets from the 45th Infantry Brigade, conducted a cordon and search in a village thought to be home to IED makers and Taliban fighters. (Photo by Staff Sgt. Ryan Crane/U.S. Air Force)

Marines from 4th Tank Division, Twentynine Palms, Calif., roll down a dirt road on their M1A1 Abrams Main Battle Tank during a day of training at Exercise Africa Lion 2012, April 13. Marines from 4th Tank Division, Twentynine Palms, Calif., clean their M1A1 Abrams Main Battle Tank April 10 after a day of training during Exercise Africa Lion 2012. AL-12 is a U.S. African Command-sponsored, Marine Forces Africa-led exercise involving various types of training including command post, live-fire and maneuvering, peace keeping operations, an intelligence capacity building seminar, aerial refueling/low-level flight training, as well as medical and dental assistance projects. The annual exercise is designed to improve interoperability and mutual understanding of each nation's military tactics, techniques and procedures. (Photo by Cpl. Tyler L. Main/U.S. Marine Corps)

Paul Kuntne tries to dive down as he Snuba's for the first time off the coast of Roatan, Honduras on December 25, 2012. Snuba is an underwater breathing system. The air, however, instead of coming from tanks strapped to the diver's back, comes through a long hose from tanks on pontoon rafts on the surface. Paul retired from the Coast Guard where he served as part of the Presidential Honor Guard. (Photo by Master Sgt. Jeremy Lock/U.S. Air Force)

A father salutes the casket of his son March 23, 2011. Buckley Air Force Base honored Lance Cpl. Christopher Mies when he arrived home. (Photo by Senior Airman Marcy Glass/460th Space Wing Public Affairs)

U.S. Marine Cpl. Sharadan Reetz (left), 21, from Indianola, Iowa, and Lance Cpl. Jarrett Hatley, 21, from Millingport, N.C., an assaultman and a dog handler with 3rd Platoon, Lima Company, 3rd Battalion, 3rd Marine Regiment, rest next to Blue, an improvised explosive device detection dog, after clearing compounds with Afghan National Army soldiers during Operation Winter Offensive here, Jan. 4, 2012. On a February 8 security patrol with Afghan National Army soldiers in Helmand province’s Garmsir district, Hatley and Blue found a 40-lb. IED in a canal only moments before a dozen more men were to cross it. “My dog Blue is pretty much like another Marine, I guess”, Hatley said. “He doesn’t know he’s doing it, but he’s protecting all of us. If I have him on a patrol and there’s an IED that could hurt us, I know he’ll find it”. (Photo by Cpl. Reece Lodder/U.S. Marine Corps)

An AC-130U Gunship from the 4th Special Operations Squadron flies a local training mission on January 27, 2011 at Hurlburt Field, Fla. The AC-130U “Spooky” gunship is the primary weapon of Air Force Special Operations Command. Its primary missions are close air support, air interdiction and armed reconnaissance. The U model is an upgraded version of the H and is equipped with side firing, trainable 25mm, 40mm, and 105mm guns. (Photo by Air Force Master Sgt. Jeremy Lock/1st Combat Camera Squadron Deployed)

Dust lights up the rotors of a CH-47 Chinook helicopter as paratroopers with 3rd Squadron, 73rd Cavalry Regiment load for an air assault mission near Combat Outpost Ab Band May 23, 2012, Ghazni Province, Afghanistan. The unit is part of the 82nd Airborne Division’s 1st Brigade Combat Team, which deployed to the area in March to help bring security to the areas along the country’s main road between Kabul and Kandahar. (Photo by Sgt. Michael J. MacLeod/U.S. Army)

When Lance Cpl. Chuck Sketch lost his sight and both his legs in his fight against cancer, he refused to let that keep him down. Now Sketch, from Phoenix, is showing his heart as he competes against other Wounded Warriors in the 2012 Marine Corps Trials. (Photo by Staff Sgt. Mark Fayloga/U.S. Marine Corps)

An Afghan National Army soldier poses with a poppy near the village of Karizonah, Khost province. In Afghanistan, the poppy crop is a major source of funding for extremist groups involved in the Taliban-led insurgency. (Photo by Staff Sgt. Joshua L. DeMotts/U.S. Marine Corps)

A competitor stresses during CrossFit Integrity, the Integrity's Revenge Battle of Charleston CrossFit games October 6, 2012 in Charleston, S.C. CrossFit is growing in popularity everyday as even the U.S. Military has integrated it into their physical fitness regime. (Photo by Senior Airman James Richardson/U.S. Air Force)

U.S. Air Force Master Sergeant Keri Whitehead waits for a post surgery exam at her plastic surgeon’s office on March 31, 2011 in Charleston, South Carolina. Keri underwent the first of three reconstructive surgeries after her battle with breast cancer. In the first surgery the doctors removed all of the breast tissue from Keri's left breast and then placed tissue expanders into both breast to allow stretching of the skin for future placement of breast implants. The goal of the expanders is to increase the breast to accommodate a c-cup breast implant. (Photo by Air Force Master Sgt. Jeremy Lock/DMA Deployed)

Pfc. Kristina Batty, a medic with the 82nd Airborne Division’s 1st Brigade Combat Team, dons a headscarf to meet with female Afghan villagers May 5, 2012, Ghazni Province, Afghanistan. Batty is joining Female Engagement Team members to discover what females of the village need. (Photo by Sgt. Michael J. MacLeod/U.S. Army)

Red team athletes Sean M. Mckinney and Maurice Honeywood show their game faces as they pull against the blue team during the annual Manpower, Personnel and Administration Directorate Field Meet at Marine Corps Base Hawaii on March 17, 2011. The directorate gathers each year to promote camaraderie and unit cohesion but teams also strive to win the MP&A Field Meet Trophy. The MP&A Field Meet teams compete in a sequence of challenges and sports to determine a winner. (Photo by Tyler L. Main/Headquarters Battalion Public Affairs Office)

A U.S. Air Force C-17A Globemaster III crew from Joint Base Charleston, S.C. prepares an air refueling mission September 27, 2012. (Photo by Airman 1st Class Matthew J. Bruch/U.S. Air Force)