The United States Army

U.S. Army Spc. Julie Neff, assigned to 5th Battalion, 148th Aviation Regiment, conducts the Team Reaction Lane during the 2015 European Best Warrior Competition at the 7th Army Joint Multinational Training Command's Grafenwoehr Training Area, Germany, Sept. 14, 2015. Some 22 candidates are participating in the intense, grueling annual weeklong competition.

Members of the Headquarters Battery, 1st Battalion, 158th Field Artillery, Oklahoma Army National Guard are loaded onto a CH-47 Chinook helicopter during training exercises at Camp Gruber, Okla. The training offered Oklahoma Soldiers with the opportunity to participate in airborne insertions and extractions, room clearing and POW recovery exercises, hand grenade ranges and an Improvised Explosive Device (IED) vehicle-training lane.

U.S. Army Gen. John. F. Campbell, left, commander, Resolute Support Mission/U.S. Forces -- Afghanistan, and Command Sgt. Maj. Delbert Byers, Resolute Support Mission/U.S. Forces -- Afghanistan, solemnly observe the anniversary of the 9/11 attacks on America during a wreath laying ceremony held at Resolute Support Headquarters in Kabul, Afghanistan, Sept. 11, 2015. About 1,200 Resolute Support members from 42 countries stood together to reflect on the day that changed the world. Coalition troops are working together under the NATO-led mission Resolute Support to train, advise and assist Afghan National Defense and Security Forces to help the Afghan people build a more stable and secure future.

Australian Army soldier Lance Cpl. Vinnie Rami (left) guides U.S. Army Soldier Sgt. 1st Class Adam Marques (right) through creating fire using the traditional 'drill' method during Exercise Kowari 2015 in the Daly River region, Northern Territory, Australia, Sept. 1, 2015.

Soldiers assigned to Kosovo Force Multinational Battle Group-East's Task Force Hurricane, made up of Soldiers from the National Guard and U.S. Army Reserve, hiked to the peak of Mount Ljuboten in southern Kosovo, Aug. 23, 2015. Led by German members of MNBG-E's headquarters, these Soldiers earned Germany's Edelweiss Badge by successfully completing the 8,000 ft. trek.

U.S. Army Soldiers, assigned to 3rd Brigade Combat Team, 25th Infantry Division, and Indonesian soldiers from 1st Infantry Division of Kostrad conduct tomahawk training during Exercise Garuda Shield, part of Pacific Pathways 2015 at Cibenda, West Java, Indonesia, Aug. 23, 2015. Garuda Shield is a bilateral exercise sponsored by U.S. Army Pacific, hosted annually by the Tentara Nasional Indonesia Army to promote regional security and cooperation.

Ranger School students from Class 08-15, conduct a media panel in McGinnis-Wickham Hall. August 20, 2015.

Graduates of U.S. Army Ranger Class 08-15 render a salute during their graduation on Fort Benning, Ga., August 21, 2015.

Soldiers from Task Force Alpha, California Army National Guard, remove a burnt tree stump to extinguish a fire, Aug. 9, near the mountains of Wildcat Butte, Humboldt County, Calif., during the Humboldt lightning fire. In less than two weeks, the Humboldt lightning fire scorched 4,700 acres.

Paratroopers assigned with 1-508th Parachute Infantry Regiment, 2nd Brigade Combat Team, 82nd Airborne Division, move to their loading zone as rotor wash from a UH-60 black hawk caused a dust cloud. The UH-60's are assigned to the 82nd Combat Aviation Brigade, in support of Operation Red Fury. The 1-508th PIR will conduct an air assault into their objective. The training helped to increase the unit's interoperability between the ground and aviation units.

A UH-60 Black Hawk helicopter assigned to 5-101 Aviation Eagle Assault flies over the rugged terrain of Laghman province, July 28, 2015. The helicopters and crews of Eagle Assault provide critical air movement of troops and air weapons support to Train Advise Assist Command-East in eastern Afghanistan.

U.S. Army firefighters, assigned to the Nebraska Army National Guard, conduct aircraft rescue firefighting training, at Volk Field Combat Readiness Training Center, Wis., July 16, 2015, in preparation for an upcoming exercise.

A U.S. Army Reserve Soldier reads some of the 58,272 names etched into "The Wall" of the Vietnam Veterans Memorial in Washington, D.C., as the sun rises, July 22, 2015.

A U.S. Army Reserve combat engineer Soldier from the 374th Engineer Company (Sapper), headquartered in Concord, California, tries to stand up with a loaded ruck sack, full of water, during Combat Water Survival Training at Fort Hunter Liggett, California, July 17, during Sapper Leader Course Prerequisite Training, a two-week field exercise at Camp San Luis Obispo Military Installation, California.

Pfc. Blaine Emory, a Soldier assigned to 1st Platoon, P Troop, 4th Squadron, 2nd Stryker Cavalry Regiment, fires a Polish RPG-7D rocket-propelled grenade alongside a Polish paratrooper from the 6th Airborne Brigade during allied weapons training, July 9, 2015, at Nowa Deba Training Area in southern Poland. The Soldiers are participating in Atlantic Resolve, an ongoing multinational operation focused on joint training and security cooperation between NATO allies.

A U.S. Soldier trains his working dog on Bagram Airfield, Afghanistan, July 4, 2015. The Soldier is assigned to the 709th Military Police Battalion, 18th Military Police Brigade.

A U.S. UH-60 Blackhawk helicopter crew chief, assigned to the Alaska National Guard, conducts water bucket operations during a fire-fighting mission south of Tok, Alaska, June 26, 2015. Two UH-60 helicopters aided in fighting the wildfire in coordination with the Bureau of Land Management, Fire Services based out of Fort Wainwright, Alaska.

President Barack Obama bestows the Medal of Honor to Army Sgt. William Shemin, accepting on his behalf are his daughters Elsie Shemin-Roth (middle) and Ina Bass (left), in the East Room of the White House, June 2, 2015. Shemin, a Jewish-American, distinguished himself as a member of 2nd Battalion, 47th Infantry Regiment, 4th Infantry Division, American Expeditionary Forces, during combat operations against the enemy on the Vesle River, near Bazoches, France, during World War I. While serving as a rifleman from August 7-9, 1918, Shemin left the cover of his platoon's trench and crossed open space in full sight of the Germans, repeatedly exposing himself to heavy machine gun and rifle fire to rescue the wounded. After officers and senior noncommissioned officers had become casualties, Shemin took command of the platoon and displayed great initiative under fire, until he was wounded, Aug. 9. Shemin was wounded by shrapnel and a machine-gun bullet that pierced his helmet that was lodged behind his left ear, leaving him partially deaf.

U.S. service members from the Defense POW/ MIA Accounting Agency, or DPAA, escort the recently disinterred remains of a service member from the U.S.S. Oklahoma, previously buried as unknown. The disinterments taking place at the National Memorial Cemetery of the Pacific, Honolulu, HIawaii, June 8, 2015, were conducted in effort to identify the U.S. service members. The mission of DPAA is to conduct global search, recovery and laboratory operations to provide the fullest possible accounting for our missing personnel to their families and the nation.

Army visually impaired cycling teams finish together to take the gold, silver and bronze in the 2015 Department of Defense Warrior Games at Marine Corps Base Quantico, Va., June 21, 2015.

Lithuanian Land Forces Soldiers from 2nd Coy, Iron Wolf Brigade fire a smoke screen from an M113A1 Armored Personnel Carrier during a joint live-fire exercise with their American partners - U.S. Army unit Team Eagle, Task Force 2-7 Infantry, held at the Great Lithuanian Hetman Jonusas Radvila Training Regiment, in Rukla, Lithuania, May 22, 2015. As part of Atlantic Resolve, an ongoing multi-national partnership focused on joint training and security cooperation between the U.S. and other NATO allies, the Soldiers of Team Eagle work with and around their Lithuanian, Polish, Portuguese, French and German allies on a daily basis.

Pfc. Johnny Allen, 3rd U.S. Infantry Regiment (The Old Guard), Charlie Company, places American flags at the headstones in Section 12 of Arlington National Cemetery during "Flags in," May 21, 2015, in Arlington, Va. The Old Guard has conducted "Flags-in" - when an American flag is placed at every headstone - since 1948.

Soldiers from the 2nd Brigade Combat Team, 82nd Airborne Division, move their injured Soldier from one building to another during an exercise mission in Fort Bragg, N.C., April 15, 2015, as part of the Combined Joint Operational Access Exercise 15-01. It is an 82nd Airborne Division-led bilateral training event at Fort Bragg, N.C., from April 13-20, 2015. This is the largest exercise of its kind held at Fort Bragg in nearly 20 years and demonstrates interoperability between U.S. and U.K. Army Soldiers in addition to U.S. Air Force, Air National Guard and Royal Air Force airmen, and U.S. Marines stationed out of Camp Lejeune, N.C.

Aviators from the Bravo Company, 3-158th Assault Helicopter Battalion, 12th Combat Aviation Brigade, provide aviation support for helocast training, April 2, 2015, with Soldiers from the Latvian Special Forces over the Daugava River in Latvia.

Spc. Justin Yarnell, Company C, 2nd Battalion, 505th Parachute Infantry Regiment, 3rd Brigade Combat Team, 82nd Airborne Division, helps an Iraqi army soldier during a weapons qualification at Camp Taji, Iraq, March 8, 2015. Yarnell and his fellow 82nd Airborne Division Soldiers are deployed to advise, teach and mentor Iraqi Security Forces so they are better prepared to fight Da'ish.

A Soldier assigned to 1st Battalion, 10th Special Forces Group (Airborne), salutes his fellow Soldiers while jumping out of a C-130 Hercules aircraft over a drop zone in Germany, Feb. 24, 2015.

CH-47F Chinook helicopter crew chiefs, assigned to 25th Combat Aviation Brigade, 25th Infantry Division, support 1st Special Forces Group during helocast operations into the waters off of Marine Corps Training Area Bellows, Hawaii, March 16, 2015.

Sgt. Maj. Daniel A. Dailey thanks his mother during the swearing-in ceremony for Dailey as the 15th sergeant major of the Army, Jan. 30, at the Pentagon. Dailey will serve as the Army chief of staff's personal adviser on matters affecting the Army's enlisted force.

Paratroopers from 173rd Brigade Support Battalion, 173rd Airborne Brigade, conduct an airborne operation from a U.S. Air Force 86th Air Wing C-130 Hercules aircraft at Juliet Drop Zone in Pordenone, Italy, Jan. 13, 2015. The 173rd Airborne Brigade is the Army Contingency Response Force in Europe, capable of projecting ready forces anywhere in the U.S. European, Africa or Central Command areas of responsibility within 18 hours.