U-2 pilots prepare to land a TU-2S at sunset Jan. 22, 2014, at Beale Air Force Base, Calif. TU-2S are trainer aircraft used to gain proficiency before pilots deploy for operational missions. (U.S. Air Force photo/Airman 1st Class Bobby Cummings)

Senior Airman Anthony Tavares cleans the front axle housing of a flightline snow broom Jan. 8, 2014, at Eielson Air Force Base, Alaska. Winter months can cover the base with snow and ice, requiring snow removal operations throughout the week. Airmen with the 354th Logistics Readiness Squadron perform maintenance on vehicles to ensure the 354th Fighter Wing mission is unhindered. Tavares is a 354th LRS vehicle maintenance journeyman. (U.S. Air Force photo/Senior Airman Joshua Turner)

Chief Master Sgt. of the Air Force James A. Cody speaks to Airmen at the First Term Airman Center Jan. 7, 2014, at Langley Air Force Base, Va. Cody visited multiple wings and discussed force management issues, budget concerns and the future of the enlisted force with Airmen. (U.S. Air Force photo/Airman 1st Class Areca T. Wilson)

Senior Airman Sarah Oswald uses a speed-detecting radar gun to measure how fast cars are going during a daily traffic control Jan. 10, 2014, at Kadena Air Base, Japan. Members of the 18th Security Forces Squadron conduct traffic controls every day along with Japanese civilian guards, using radar to detect speeding vehicles. Oswald is an 18th SFS patrolman. (U.S. Air Force photo/Naoto Anazawa)

Capt. Joe Faraone reunites with his wife, Suk, Jan. 15, 2014, at Spangdahlem Air Base, Germany, The Airman returned from a deployment to Southwest Asia in support of Operation Enduring Freedom. Faraone serves with the 606th Air Control Squadron. (U.S. Air Force photo/Airman 1st Class Kyle Gese)

Rwandan soldiers wait in line to have their weapons inspected by Staff Sgt. Curtis McWoodson (right), before getting on a C-17 Globemaster III Jan. 19, 2014, at the Kigali airport, Rwanda. U.S. forces will transport 850 Rwandan soldiers and more than 1,000 tons of equipment into the Central African Republic to aid French and African Union operations against militants during this three-week operation. McWoodson is a member of the 627th Security Forces Squadron Phoenix Raven, tasked to protect the C-17 based out of Joint Base Lewis-McChord Air Force Base, Wa. (U.S. Air Force photo/Staff Sgt. Ryan Crane)

Capt. Philip Gunn participates in a flyover during the internment ceremony of Brig. Gen. Robinson Risner, Jan. 23, 2014, at Arlington National Cemetery, Va. Risner was the Air Force's 20th ace and survived more than seven years of captivity as a prisoner during the Vietnam War. Gunn is a 336th Fighter Squadron weapons system officer assigned to Seymour Johnson Air Force Base, N.C. (Courtesy photo)

An Airman rinses the tail wing of a C-130J Hercules Jan. 23, 2014, at Little Rock Air Force Base, Ark. Dirt, grease, grime, exhaust carbon and hydraulic oils can hide cracks or other faults on an aircraft and must be washed before an isochronal inspection. The Airman is from the 19th Aircraft Maintenance Squadron. (U.S. Air Force photo/Airman 1st Class Scott Poe)

Airmen don their M50 Joint Service General Purpose Masks as they brush up on their chemical, biological, radiological and nuclear training during the 108th Wing’s Ability to Survive and Operate Rodeo Feb. 9, 2014, at Joint Base McGuire-Dix-Lakehurst, N.J. ATSO is used by Airmen who are deploying or preparing for exercises or inspections. These skills make up the foundation necessary for all Airmen to function effectively in hostile environments. The Airmen are from the New Jersey Air National Guard. (U.S. Air National Guard photo/Master Sgt. Mark C. Olsen)

Tech. Sgt. Frank Castonguay pours a fluorescent oil bath over a KC-135 Stratotanker brake key inside a magnetic field generator Feb. 11, 2014, on Royal Air Force Mildenhall, England. The oil bath coats a part in fluorescent particles, which are attracted to any cracks after a magnetic field is established on either end of the part. This method quickly allows non-destructive inspection shop members to identify dangerous defects in parts. Castonguay is a 100th Maintenance Squadron NDI craftsman. (U.S. Air Force photo/Airman 1st Class Dillon Johnston)

A Delta IV rocket successfully launches the Global Positioning System IIF-5 satellite Feb. 20, 2014, from Space Launch Complex-37 at Cape Canaveral Air Force Station, Fla. (United Launch Alliance photo/Ben Cooper)

Tech. Sgt. Amber Perry monitors base activities to help facilitate the wing's mission Feb. 24, 2014, at Barksdale Air Force Base, La. Perry is a 2nd Bomb Wing command post controller. (U.S. Air Force photo/Staff Sgt. Jonathan Snyder)

A T-38 Talon flies in formation with the B-2 Spirit of South Carolina during a training mission Feb. 20, 2014, over Whiteman Air Force Base, Mo. The B-2 Spirit is a multirole bomber capable of delivering both conventional and nuclear munitions. (U.S. Air Force photo/Staff Sgt. Jonathan Snyder)

Staff Sgt. Michael Sheehan fires a man-portable aircraft survivability trainer, or MAST, at Saylor Creek Range March 13, 2014, at Mountain Home Air Force Base, Idaho. The MAST is used to train aircrews to react to surface to air missiles threats during live training exercises. Members of the 266th Range Squadron play an invaluable role in Gunfighter Flag 14-2 by providing support to U.S. and coalition forces for future deployments. Sheehan is a 266th RANS ground radar operator technician. (U.S. Air Force photo/Tech. Sgt. JT May III)

Maj. Justin Robinson flies the 56th Operations Group flagship F-16 Fighting Falcon March 10, 2014, as he escorts the first F-35 Lightning II to its new home at Luke Air Force Base, Ariz. The F-35 was flown by Col. Roderick Cregier, an F-35 test pilot stationed at Edwards AFB, Calif. Robinson is the 61st Fighter Squadron assistant director of operations. (U.S. Air Force photo/Jim Hazeltine)

Senior Airman Seth Allen operates a cargo loader as Airmen move equipment in place on a C-17 Globemaster III March 14, 2014, at Transit Center at Manas, Kyrgyzstan. Allen and other Airmen loaded outbound cargo in preparation for the base closure, scheduled for July 10, 2014. Allen is a 376th Expeditionary Logistics Readiness Squadron ramp service specialist. (U.S. Air Force photo/Senior Airmen Ross Alexander Whitley)

Capt. (Dr.) Wesley Reynolds studies a patient’s computed tomography scan at the Mike O’Callaghan Federal Medical Center March 18, 2014, at Nellis Air Force Base, Nev. March is brain injury awareness month. According to the Brain Injury Association of America, about 75 percent of traumatic brain injuries are concussions or other forms of mild TBIs. Reynolds is a 99th Medical Operations Squadron neurologist. (U.S. Air Force photo/Senior Airman Jason Couillard)

Joint service members train in the Marine Corps Martial Arts Program March 19, 2014, at Goodfellow Air Force Base, Texas. MCMAP is a close-quarters combat system that also stresses mental and character development. Entry-level MCMAP training is required of all Marines, but it can be utilized by all U.S. warfighters. (U.S. Air Force photo/Staff Sgt. Austin Knox)

Airman Robbie Day restocks the dessert fridge with fruit March 20, 2014, at the Airey Dining Facility on Grand Forks Air Force Base, N.D. Day emigrated from China with his family when he was 19. He recently became a U.S. citizen and plans on becoming a registered nurse and commissioning as an Air Force medical officer. Day is a 319th Force Support Squadron food service apprentice. (U.S. Air Force photo/Senior Airman Xavier Navarro)

A C-17 Globemaster III is guided into position behind the boom of a KC-135 Stratotanker during an in-air refueling training mission March 20, 2014, near Joint Base Pearl Harbor-Hickam, Hawaii. The boom was guided by Airman 1st Class Rebekah McCormack, a 96th Air Refueling Squadron in-flight refueling specialist, during refueling procedures training. (U.S. Air Force photo/Staff Sgt. Alexander Martinez)

Participants in the 25th Annual Bataan Memorial Death March prepare to begin their 26.2-mile trek March 23, 2014, at White Sands Missile Range, N.M. More than 6,200 participants came to honor more than 76,000 Prisoners of War and Missing in Action from Bataan and Corregidor during World War II. The course starts on White Sands Missile Range, enters hilly terrain and finishes through sandy desert trails, with elevation ranging from 4,100 to 5,300 feet. (U.S. Air Force photo/Airman 1st Class Aaron Montoya)

Nine C-17 Globemaster III aircraft perform a large formation exercise March 27, 2014, at Joint Base Charleston, S.C. The large formation exercise provided more than 500 operational and maintenance training objectives and demonstrated the Air Force's strategic capability. (U.S. Air Force photo/Senior Airman Dennis Sloan)

A B-2 Spirit approaches the refueling boom of a KC-135 Stratotanker, April 2, 2014, over New Jersey. Air Force ROTC cadets observed the refueling as part of an orientation flight program. The KC-135 is assigned to the 108th Wing, New Jersey Air National Guard. The B-2 is assigned to the 509th Bomb Wing, Whiteman Air Force Base, Mo. (U.S. Air National Guard photo/Master Sgt. Mark C. Olsen)

An Airman from the 22nd Aircraft Maintenance Squadron monitors a KC-135 Stratotanker during an engine check March 31, 2014, at McConnell Air Force Base, Kan. Maintenance Airmen work around the clock to provide mission-ready aircraft for mobility operations 24/7. (U.S. Air Force photo/Airman 1st Class Victor J. Caputo)

The 19th U.S. Air Force Defense Meteorological Satellite Program payload was successfully launched on an Atlas V rocket from Space Launch Complex-3 on April 3, 2014, at Vandenberg Air Force Base, Calif. This year, Vandenberg AFB celebrates 55 years of space launch history. (U.S. Air Force photo/Joe Davila)

C-130J Hercules and WC-130J Hercules fly in formation during an Operation Surge Capacity exercise April, 5, 2014, over the Mississippi Gulf Coast region. Aircraft from the 815th and 345th Airlift Squadrons and 53rd Weather Reconnaissance Squadron participated in the large-scale training exercise designed to test the 403rd Wing's ability to launch and recover a large formation of aircraft and to execute airdrops. The C-130s are assigned to the 403rd Wing at Keesler Air Force Base, Miss. (U.S. Air Force photo/Senior Airman Nicholas Monteleone)

August O’Neill is kissed by his service dog, Kai, April 9, 2014, during the cycling portion of the Air Force Trials at Nellis Air Force Base, Nev. O’Neill, an Air Force wounded warrior, competed in the 6-mile men’s handcycle heat with four others. (U.S. Air Force photo/Senior Airman Jette Carr)

Members of the 58th Airlift Squadron release unilateral airdrop training loads from a C-17 Globemaster III during an airdrop training mission at the Sooner Drop Zone April 11, 2014, near Hollis, Okla. The 97th Aerial Operations Flight prepares airdrop cargo pallets and loads them onto the C-17s. Their mission provides C-17 aircrews with realistic training scenarios, which consist of on and off loading general cargo and vehicles as well as aerial delivery materials for airdrop training. (U.S. Air Force photo/Senior Airman Jesse Lopez)

Capt. Sarah Evans dives during a swimming race April 7, 2014, at the 2014 Air Force Trials at Nellis Air Force Base, Nev. Evans won first place in the women's 50 meter freestyle swimming competition. She is a member of the 59th Medical Wing Patients Squadron. (U.S. Air Force photo/Senior Master Sgt. Cecilio Ricardo)

Senior Airman Blaine Aponte and Staff Sgt. Juan Lopez remove a tow bar from an RQ-4 Global Hawk prior to conducting maintenance operations April 15, 2014, in Southwest Asia. The Global Hawk provides intelligence, surveillance, reconnaissance and communications capabilities over Southwest Asia. Aponte and Lopez are members of the 380th Expeditionary Aircraft Maintenance Squadron. (U.S. Air Force photo/Tech. Sgt. Russ Scalf)

Airman 1st Class Alex Redden cuts through a corroded support beam while removing a damaged roof April 24, 2014, at Yokota Air Base, Japan. The roof, which was damaged during the past winter's heavy snowfall, was removed to prevent possible injury and allow dormitory residents access to their bicycle lot. Redden is a 374th Civil Engineer Squadron structures journeyman. (U.S. Air Force photo/Staff Sgt. Cody H. Ramirez)

Parachutists descend slowly toward the ground as a C-130 flies off into the distance during International Jump Week May 5, 2014, at the Alzey landing zone, Germany. More than 300 jumpers from nine different nations performed a total of 404 static-line jumps and 132 high altitude low-opening jumps in three days. (U.S. Air Force photo/Airman 1st Class Michael Stuart)

Members of the 106th Rescue Wing's fire department train on various fire-suppression systems May 6, 2014, at the Suffolk County Fire Academy in Yaphank, N.Y. (Air National Guard photo/Tech. Sgt. Monica Dalberg)

The U.S. Air Force Thunderbirds precision-flying demonstration team flies in formation April 13, 2014, during the Thunder and Lightning over Arizona event at Davis-Monthan Air Force Base, Ariz. The squadron has been performing aerial demonstrations for more than 60 years. (U.S. Air Force photo/Airman 1st Class Chris Massey)

Tech. Sgt. Andy Strause signals to nearby aircraft May 7, 2014, while on a joint refueling training mission out of Kadena Air Base, Japan. During the mission, the MC-130P Combat Shadow crew from the 17th Special Operations Squadron refueled two helicopters and performed essential pilot training. (U.S. Air Force photo/Senior Airman Maeson L. Elleman)

Staff Sgt. Daniel Kane directs a competitor May 13, 2014, during the Law Enforcement Pistol Shoot event at Vandenberg Air Force Base, Calif. Kane is the range safety officer with the 30th Security Forces Squadron. The pistol shoot was open to all military and local law enforcement officers as part of a National Police Week celebration at Vandenberg AFB. (U.S. Air Force photo/Michael Peterson)

The U.S. Air Force Thunderbirds fly the Delta formation May 28, 2014, over Falcon Stadium during the U.S. Air Force Academy graduation ceremony. The flyover marks the first return of the Thunderbirds to Colorado Springs, Colo., since sequestration last year. (U.S. Air Force photo/Staff Sgt. Larry E. Reid Jr.)

U.S. and Portuguese airmen compete in the Defender Challenge May 30, 2014, at Lajes Field, Azores, Portugal. The Portuguese air force held the challenge in celebration of the 59th anniversary of the Air Police Squadron. The challenge tested the airmen’s strength, endurance and ability to work together to accomplish tasks. (U.S. Air Force photo/Guido Melo)

An MQ-1B Predator, left, and an MQ-9 Reaper taxi to the runway in preparation for takeoff June 13, 2014, on Creech Air Force Base, Nev. The aircraft are assigned to the 432nd Wing, which trains pilots, sensor operators and other remotely piloted aircraft crewmembers, and conducts combat surveillance and attack operations worldwide. (U.S. Air Force photo/Airman 1st Class Christian Clausen)

The U.S. Air Force Honor Guard Drill Team performs June 26, 2014, at Mount Rushmore. The Drill Team recently completed a nine-day, seven-city, 10-performance tour across the Midwest with the U.S. Air Force Band’s rock ensemble Max Impact. During the tour, the two groups performed in Wisconsin, Minnesota, South Dakota, Wyoming and Nebraska. (U.S. Air Force Photo/1st Lt. Nathan Wallin)

Senior Airman Marcus Thomas fires a Taser during training June 27, 2014, on Osan Air Base, South Korea. The Taser fires two small dart-like electrodes which stay connected to the main unit by conductive wire while being propelled by small compressed nitrogen charges. Thomas is a 51st Security Forces Squadron entry controller. (U.S. Air Force photo/Senior Airman David Owsianka)

The Thunderbirds perform a flyover during the national anthem at the Major League Baseball’s All-Star Game July 15, 2014, in Minneapolis, Minn. The Thunderbirds are the Air Force’s precision flying demonstration team that flies red, white and blue F-16 Fighting Falcons (U.S. Air Force photo/Master Sgt. Stan Parker)

An Airman climbs a rope ladder into an MH-47 Chinook helicopter during helocast alternate insertion and extraction training July 14, 2014, on Joint Base Lewis-McChord, Wash. Airman with the 22nd Special Tactics Squadron’s Red Team teamed up with Soldiers from the 160th Special Operations Aviation Regiment for the training. The daytime training allowed five Airmen to climb a rope ladder and three Airmen to be hoisted back into the MH-47. (U.S. Air Force photo/Staff Sgt. Russ Jackson)

Airman 1st Class Keith Fussell dons his helmet before training July 17, 2014, at Hurlburt Field, Fla. Firefighters spent more than an hour training on the correct ventilation techniques to maintain proper readiness to complete the mission. Fussell is a 1st Special Operations Civil Engineer Squadron firefighter. (U.S. Air Force photo/Senior Airman Christopher Callaway)

Senior Airman Christopher Moore removes the engine of a truck July 18, 2014, at an undisclosed location in Southwest Asia. Moore is a vehicle mechanic with the 386th Expeditionary Logistics Readiness Squadron. (U.S. Air Force photo/Staff Sgt. Jeremy Bowcock)

Four-year-old James Aldendifer is lifted onto the wing of the P-51 Mustang by his father Mark while attending the 2014 Defenders of Freedom Open House and Air Show July 19, 2014, on Offutt Air Force Base, Neb. Record crowds gathered at Offutt AFB to attend the event. (U.S. Air Force photo/Josh Plueger)

Capt. Leslie Jones, examines the teeth of Master Sgt. Francesca Seehausen July 22, 2014, at Incirlik Air Base, Turkey. The 39th Medical Group dental clinic provides care to the base populace to keep service members mission ready and deployable. Jones is a 39th MDG dentist and Seehausen is the 39th MDG dental flight chief. (U.S. Air Force photo/Senior Airman Nicole Sikorski)

A Commissioned Officer Training School student pulls herself across a rope July 24, 2014, during an exercise conditioning course at Maxwell Air Force Base, Ala. Commissioned medical, legal and chaplain officers must go through COT to receive military leadership training. The ropes course is a confidence and team building part of the training. (U.S. Air Force photo/Staff Sgt. Natasha Stannard)

An F-22 Raptor displays its weapons bays to the crowd July 26, 2014, during the Arctic Thunder Open House at Joint Base Elmendorf-Richardson, Alaska. Arctic Thunder, a biennial event, features more than 40 Air Force, Army and civilian aerial acts. It is the largest two-day event in the state and one of the premier aerial demonstrations in the world. (U.S. Air Force photo/Staff Sgt. Jared Becker)

Maj. Blaine Jones pitches to land as Maj. Jason Curtis waits for clearance to land June 30, 2014, upon returning from a practice demonstration sortie at Nellis Air Force Base, Nev. The Thunderbirds, flying red, white and blue F-16 Fighting Falcons, are the Air Force’s precision flying demonstration team. Jones is Thunderbird 5 and the lead solo. Curtis is Thunderbird 6 and the opposing solo. (U.S. Air Force photo/Staff Sgt. Larry E. Reid Jr.)

An F-22 Raptor performs aerial maneuvers July 25, 2014, in support of the Arctic Thunder Open House at Joint Base Elmendorf-Richardson, Alaska. Arctic Thunder, a biennial event, features more than 40 Air Force, Army and civilian aerial acts and hosts a crowd of more than 200,000 people. It is the largest two-day event in the state and one of the premier aerial demonstrations in the world. The Raptor is assigned to the 90th Fighter Squadron, 3rd Operations Group, 3rd Wing at Elmendorf. (U.S. Air Force photo/Staff Sgt. Joseph Araiza)

Pavements and equipment Airmen from the 633rd Civil Engineer Squadron repair sections of the runway Aug. 27, 2014, at Langley Air Force Base, Va. According to 633rd CES leadership the improvements will provide a safe environment to sustain current flying operations, and secure future mission capability. (U.S. Air Force photo/Senior Airman Connor Estes)

Soldiers execute jumps out of a C-130 Hercules Sept. 3, 2014, at Combined Arms Training Center Camp Fuji, Japan. The Soldiers are assigned to the 1st Battalion, 1st Special Forces Group (Airborne) and the C-130 is assigned to the 36th Airlift Squadron. (U.S. Air Force photo/Osakabe Yasuo)

Senior Airman Jason Nonog prepares an F-16 Fighting Falcon for takeoff Aug. 13, 2014, during an air-to-ground exercise at Hill Air Force Base, Utah. The Weapons System Evaluation Program is an annual training exercise where the effectiveness, maintainability, suitability and accuracy of guided munitions are evaluated. The 510th Fighter Squadron from Aviano Air Base, Italy, and the 494th FS from Royal Air Force Lakenheath, England, joined the 388th Fighter Wing at Hill AFB, for the exercise. (U.S. Air Force photo/Airman 1st Class Taylor Queen)

Airmen maneuver through traffic lights while towing an F-15 Eagle down Watson Boulevard Sept. 6, 2014, to the Warner Robins City Hall, Warner Robins, Ga. The aircraft was loaned to the city by the Georgia Air National Guard’s 116th Air Control Wing to serve as a static display for a new veteran’s memorial. The Airmen moving the aircraft are assigned to the 116th Maintenance Group. (U.S. Air National Guard photo/Tech. Sgt. Regina Young)

Soldiers conduct a jump demonstration from a C-130 Hercules Sept. 7, 2014, during the Japanese-American Friendship Festival at Yokota Air Base, Japan. Yokota welcomed approximately 148,000 visitors during the two-day festival. The Soldiers are assigned to the 1st Battalion, 1st Special Forces Group (Airborne). (U.S. Air Force photo/Senior Airman Michael Washburn)

Capt. Khiem Nguyen examines a patient’s mouth while Staff Sgt. Sagan Barber takes down information during a retiree appreciation day information fair Sept. 13, 2014, at Nellis Air Force Base, Nev. The information fair offered opportunities for attendees to consult medical professionals for advice and schedule future treatment. Nguyen is a 99th Dental Squadron Advanced Education in General Dentistry resident and Barber is a 99th DS Dental Clinic technician. (U.S. Air Force photo/Senior Airman Timothy Young)

The supermoon rises over the flightline Sept. 8, 2014, at Travis Air Force Base, Calif. Supermoons are full moons that coincide with lunar perigee, when the moon's orbit brings it closest to Earth. (U.S. Air Force photo/Heide Couch)

Military working dog Johny crouches down while running through a swinging pipe Sept. 15, 2014, at the 436th Security Forces Squadron's obedience course on Dover Air Force Base, Del. Johny is looking down as he approaches the end of the pipe and prepares to exit. (U.S. Air Force photo/Greg L. Davis)

Senior Master Sgt. Carmelo Vega Martinez teaches an English class for Afghan airmen in Kabul, Afghanistan. Vega Martinez advises the Afghan air force on establishing and sustaining a recruiting service in addition to volunteering to teach English. (U.S. Air Force photo/Tech. Sgt. Jason Robertson)

A KC-135 Stratotanker from Fairchild Air Force Base, Wash., refuels a B-1B Lancer during a training exercise Sept. 23, 2014, over South Dakota. For more than 50 years the KC-135 has provided the core aerial refueling capability for the Air Force. The aircraft can travel up to 1,500 miles with 150,000 pounds of transfer fuel, which enables the Air Force to project rapid, flexible military power. The B-1B is assigned to Ellsworth Air Force Base, South Dakota. (U.S. Air Force photo/Senior Airman Mary O'Dell)

Ships from the George Washington and Carl Vinson Carrier Strike Groups and aircraft from the U.S. Air Force and U.S. Marine Corps operate in formation at the conclusion of Valiant Shield 2014. Valiant Shield is a U.S.-only exercise integrating Navy, Air Force, Army, and Marine Corps assets, offering real-world joint operational experience to develop capabilities that provide a full range of options to defend U.S. interests and those of its allies and partners. (U.S. Navy photo/Mass Communication Specialist 1st Class Trevor Welsh)

Capt. Kyle Yates provides cover during the tactics event of the Global Strike Challenge competition Sept. 24, 2014, on Camp Guernsey, Wyo. The security forces portion of the challenge was split into three different events: tactics, weapons firing, and the mental and physical challenge. Yates was the 91st Security Forces Group Global Strike Challenge team leader. (U.S. Air Force photo/Senior Airman Brittany Y. Bateman)

Members of the 334th Training Squadron combat controllers and the 335th Training Squadron special operations weather team prepare to enter the triangle pool as they participate in a memorial physical training session Sept. 26, 2014, at Keesler Air Force Base, Miss. The session included a ruck march along the Ocean Springs Beach and over the Biloxi-Ocean Springs Bridge. The PT event was in memory of combat controllers Senior Airman Mark Forester, who was killed in action Sept. 29, 2010, and Senior Airman Daniel Sanchez, who was KIA Sept. 16, 2010. (U.S. Air Force photo/Kemberly Groue)

Air Force athlete August O'Niell kisses his service dog, Kai, during warmups for the swimming portion of the 2014 Warrior Games Sept. 30, 2014, at the U.S. Olympic Training Center in Colorado Springs, Colo. The Warrior Games consist of athletes from the Defense Department, who compete in Paralympic-style events for their respective military branch. (U.S. Air Force photo/Senior Airman Justyn M. Freeman)

Air Force athlete Daniel Crain aims at his target in an archery qualification round during the 2014 Warrior Games Oct. 1, 2014, at the U.S. Olympic Training Center in Colorado Springs, Colo. The Warrior Games consist of athletes from the Defense Department, who compete in Paralympic-style events for their respective military branch. The goal of the games is to help highlight the potential of warriors through competitive sports. (U.S. Air Force photo/Airman 1st Class Scott Jackson)

Firefighters fight a controlled fire Oct. 9, 2014, at Misawa Air Base, Japan. The live fire demonstration, hosted by the 35th Civil Engineer Squadron, allowed friends and family members to be educated and entertained as part of fire prevention week. (U.S. Air Force photo/Senior Airman Jose L. Hernandez-Domitilo)

A 40th Flight Test Squadron F-15 Eagle soars upon takeoff for a morning sortie Oct. 23, 2014, at Eglin Air Force Base, Fla. The 40th FTS Airmen fly operational test missions in the F-16 Fighting Falcon, F-15 and A-10 Thunderbolt II. The 40th FTS is a squadron in the 96th Test Wing. (U.S. Air Force photo/Samuel King Jr.)

Airman 1st Class Michael Griffin utilizes a stationary penetrant line Nov. 3, 2014, at Langley Air Force Base, Va. A penetrant is used to detect discontinuities, such as cracks and pits, open to the surface on parts made of nonporous materials. Griffin is a 1st Maintenance Squadron nondestructive inspection technician. (U.S. Air Force photo/Staff Sgt. Antoinette Gibson)

Retired Maj. Gen. Tim Padden and Airman Samuel Macklin, cut the ceremonial cake during a banquet hosted by the Space Foundation in honor of Air Force Space Command’s 30th anniversary celebration Sept. 14, 2012, in Colorado Springs, Colo. Padden was the third commander of AFSPC and Macklin is from the 721st Security Forces Squadron at Cheyenne Mountain Air Force Station. (U.S. Air Force photo/Staff Sgt. Christopher Boitz)

A UH-60 Black Hawk sets down during a capstone training event Nov. 6, 2014, at Sailor Creek Range Complex, Idaho. Members of the 366th Fighter Wing train alongside U.S. Army and U.S. Marine Corp affiliates to execute realistic operation scenarios, which will allow them to operate in a tactical environment. (U.S. Air Force photo/Staff Sgt. Roy Lynch)

A 433rd Airlift Wing C-5 Galaxy begins to turn over the runway before landing Nov. 14 2014, at Eglin Air Force Base, Fla.. The reserve aircrew of the “heavy” aircraft brought Army 7th Special Forces Group personnel and equipment to the base for delivery. (U.S. Air Force photo/Samuel King Jr.)

A HH-60 Pavehawk with the 101st Rescue Squadron conducts training Nov. 25 2014, around Westhampton Beach, N.Y. During this time the aircrew tested the aircraft's defensive systems and conducted the simulated rescue of a downed Airman. (New York Air National Guard/Senior Airman Christopher S. Muncy)

Keira Uehara listens to the radio atop a fire truck during a simulated hazardous materials vehicle crash as part of a mission focused exercise Dec. 2, 2014, on Kadena Air Base, Japan. The MFE, which tests Airmen on their ability to survive and operate in a multitude of stressful environments, is scheduled to run through Dec. 4, 2014. Uehara is a 18th Civil Engineer Squadron firefighter. (U.S. Air Force photo/Senior Airman Maeson L. Elleman)

C-17 Globemaster IIIs deploy flares Dec. 6, 2014, while flying over the Nevada Test and Training Range during the U.S. Air Force Weapons School's Joint Forcible Entry Exercise 14B. When weapons school students graduate as weapons officers, they will go back to their units and share that knowledge and their experiences from JFEX, to better prepare the Air Force operate in any contingency. (U.S. Air Force photo/Senior Airman Thomas Spangler)

Civil Air Patrol cadets carry a wreath to be placed at a grave marker Dec. 13, 2014, during Wreaths Across America at Arlington National Cemetery in Arlington, Va. Nearly 50,000 volunteers came together to place remembrance wreaths on the headstones of about 230,000 veterans during the event. (U.S. Air Force photo/Staff Sgt. Vernon Young Jr.)

Funmi Akinlosotu gathers speed during the long jump event at the Air Force Track and Field Holiday Open at the Academy’s Cadet Field House’s indoor track Dec. 12, 2014. Akinlosotu, a freshman at the Academy, finished third at 35'5". (U.S. Air Force photo/Liz Copan)

Maj. Phillip Stein readies his F-16C Fighting Falcon for flight prior to a training mission Dec. 17, 2014, at Atlantic City Air National Guard Base, N.J. Stein is an F-16 pilot with the New Jersey Air National Guard's 177th Fighter Wing. (U.S. Air National Guard photo/Tech. Sgt. Matt Hecht)

Tech. Sgt. Chananyah Stuart reminds a trainee of the procedures for entering the dining facility Sept. 26, 2014, at Joint Base San Antonio-Lackland, Texas. Stuart is extra demanding on his trainees from the very beginning because he believes it sets them up for success. Stuart is a 323rd training Squadron military training instructor. (U.S. Air Force photo/Master Sgt. Jeffrey Allen)

Staff Sgt. Corey Crim inspects an oscillator in the Precision Measurement Equipment Laboratory March 28, 2014, at Misawa Air Base, Japan. As part of the PMEL flight, Crim and his coworkers calibrate more than 4,000 units annually for multiple agencies across base. Crim is from the 35th Maintenance Squadron. (U.S. Air Force photo/Senior Airman Derek VanHorn)

Secretary of the Air Force Deborah Lee James shares a laugh with Staff Sgt. Holly Roberts-Davis during a 45-minute "Open Door" question-and-answer session at the Defense Media Activity headquarters on Dec. 16, 2014, at Ft. George G. Meade, Md. Roberts-Davis is a broadcaster with the Air Force Broadcasting Service. (U.S. Air Force photo/Staff Sgt. Vernon Young Jr.)

Staff Sgt. Alex Garviria and 2nd Lt. Rachel James work in the Global Strategic Warning and Space Surveillance System Center Sept. 2, 2014, at Cheyenne Mountain Air Force Station, Colo. Garviria is a 721st CS senior systems controller and James is the 721st CS crew commander. (U.S. Air Force photo/Airman 1st Class Krystal Ardrey)

Undersecretary of the Air Force Eric Fanning is briefed by Craig Killmer during a tour of the Academic Training Center construction site on March 14, 2014, at Luke Air Force Base, Ariz. The 145,000 square-foot facility will include pilot academic training classrooms, 12 F-35 simulators, a secured briefing auditorium, and space for administrative, instructor and engineering personnel. Killmer is the Archer Western Contractors project manager. (U.S. Air Force photo/Staff Sgt. Darlene Seltmann)

U.S. Air Force Central Command’s band, Hypersonic, performs for members of the 386th Air Expeditionary Wing May 3, 2014, in Southwest Asia. The band spent four days touring the region, performing for deployed troops to boost morale and reaching out to host nation communities. The band is deployed from Yokota Air Base, Japan. (U.S. Air Force photo/Staff Sgt. Jeremy Bowcock)

Staff Sgt. Samantha Orem welds parts for a fence Sept. 19, 2014, at Bagram Airfield, Afghanistan. Airmen with the 455th Expeditionary Civil Engineer Squadron are completing a security fence project. Orem is a 455th ECES structures craftsman. (U.S. Air Force photo/Staff Sgt. Evelyn Chavez)

Airmen with the 9th Airlift Squadron and 455th Expeditionary Aerial Port Squadron with Marines from the Marine Expeditionary Brigade prepare to load vehicles into a C-5M Super Galaxy Oct. 6, 2014, at Camp Bastion, Afghanistan. Airmen and Marines loaded more than 266,000 pounds of cargo onto the C-5M as part of retrograde operations in Afghanistan. (U.S. Air Force photo/Staff Sgt. Jeremy Bowcock)

Air Force Chief of Staff Gen. Mark A. Welsh III speaks with Airmen during a base visit, Dec. 14, 2014, at Al Udeid Air Base, Qatar. Welsh met with Airmen to thank them for their service and discuss the sacrifices and challenges experienced while deployed. (U.S. Air Force photo/Senior Airman Kia Atkins)

Senior Master Sgt. Kyle Klass marshals a C-130H Hercules from the 934th Air Wing after it landed at its new home Sept. 12, 2014, in Southwest Asia. The crew will be stationed with the 386th Air Expeditionary Wing for the next four months in support of Operation Enduring Freedom. Klass is the 386th Expeditionary Aircraft Maintenance Squadron dayshift production superintendent. (U.S. Air Force photo/Staff Sgt. Jeremy Bowcock)

Capt. Tanya Tsosie draws blood from a simulated Ebola patient Oct. 24, 2014, during a week-long training course at the San Antonio Military Medical Center, Texas. Tsosie is a nurse assigned to a 30-member medical response team designed to support civilian medical professionals in the event of an Ebola outbreak in the United States. (U.S. Air Force photo/Master Sgt. Jeffrey Allen)