Medal Presentation - President Barack Obama presents the Medal of Honor to retired Army Capt. Florent A. Groberg during a ceremony at the White House, Nov. 12, 2015. Groberg received the medal for actions during combat in Kunar province, Afghanistan, Aug. 8, 2012, when he commanded a personal security detail for the 4th Infantry Division's 4th Brigade Combat Team. He and another soldier tackled a suicide bomber, saving several lives. U.S. Army photo by Eboni L. Everson-Myart
Soldier's Wreath - President Barack Obama lays a wreath at the Tomb of the Unknown Soldier to observe Memorial Day at Arlington National Cemetery in Arlington, Va., May 25, 2015. DoD photo by EJ Hersom
Medal Smiles - President Barack Obama presents the Medal of Honor for Army Sgt. William Shemin to Ina Bass, left, and Elsie Shemin-Roth, who accepted the medal on behalf of their late father, at the White House, June 2, 2015. During the ceremony, Obama also awarded the Medal of Honor posthumously to Army Pvt. Henry Johnson, saying it was "never to late to say thank you." Both soldiers were World War I veterans. U.S. Army photo by Lisa Ferdinando
Armed Forces Tribute - Defense Secretary Chuck Hagel, far left, President Barack Obama, Vice President Joe Biden and Army Gen. Martin E. Dempsey, chairman of the Joint Chiefs of Staff, stand during the Armed Forces Farewell Tribute to Hagel on Joint Base Myer-Henderson Hall in Arlington, Va., Jan. 28, 2015. Obama hosted the event for Hagel, the 24th defense secretary. U.S. Army photo by Staff Sgt. Laura Buchta
Farewell Walk - Defense Secretary Chuck Hagel and Army Col. Johnny K. Davis, commander of the 3rd U.S. Infantry Regiment, known as "The Old Guard," render honors during the Armed Forces Farewell Tribute to Hagel on Joint Base Myer-Henderson Hall in Arlington, Va., Jan. 28, 2015. President Barack Obama hosted the event, which included remarks by Vice President Joe Biden and Army Gen. Martin E. Dempsey, chairman of the Joint Chiefs of Staff. U.S. Army photo by Staff Sgt. Laura Buchta
Oath of Office - Supreme Court Justice Elena Kagan administers the oath of office to Defense Secretary Ash Carter as his wife, Stephanie, holds the Bible, and as their children, Ava and Will, look on during a ceremonial swearing-in at the Pentagon, March 6, 2015. Vice President Joe Biden officially swore in Carter as the 25th secretary of defense in February. DoD photo by Glenn Fawcett
Pentagon Briefing - Defense Secretary Ash Carter and Army Gen. Martin E. Dempsey, chairman of the Joint Chiefs of Staff, brief reporters at the Pentagon, April 16, 2015. DoD photo by U.S. Army Sgt. 1st Class Clydell Kinchen
The Wall - Defense Secretary Ash Carter stands in front of the Facebook wall during his visit to the company's headquarters in Menlo Park, Calif., April 23, 2015. Carter is on a two-day trip to Silicon Valley. Before visiting the company, Carter delivered a lecture at Stanford University, where he unveiled the Defense Department's new cyber strategy. DoD photo by U.S. Army Sgt. 1st Class Clydell Kinchen
Cemetery Coin - Defense Secretary Ash Carter leaves a challenge coin at the gravesite of Army Spc. Christopher David Horton at Arlington National Cemetery in Arlington, Va., May 22, 2015. Carter and his family members are friends with Horton's mother. Cemetery visitors often leave small rocks or personal markers on graves to let family members know they visited their loved ones. DoD photo by U.S. Navy Petty Officer 2nd Class Sean Hurt
Coin Collection - Defense Secretary Ash Carter presents challenge coins to members of the Tragedy Assistance Program for Survivors at the Pentagon, May 22, 2015. The Pentagon hosted the families for a night of fun and remembrance to mark Memorial Day. The program, known as TAPS, offers support for military families who have lost a family member serving in the military. DoD photo by U.S. Navy Petty Officer 2nd Class Sean Hurt
Vietnam Visit - Defense Secretary Ash Carter tours a Vietnamese coast guard ship in Hai Phong, Vietnam, May 31 2015. Carter is on a 10-day trip to the Asia-Pacific region to meet with partner nations and affirm U.S. commitment to the area. DoD Photo by Glenn Fawcett
Hanoi Welcome - Vietnamese Defense Minister General Phung Quang Thanh welcomes U.S. Defense Secretary Ash Carter with an honor cordon in Hanoi, Vietnam, June 1, 2015. Carter is on a 10-day trip to the Asia-Pacific to meet with partner nations and affirm U.S. commitment to the region. DoD photo by Glenn Fawcett
India Gate - U.S. Defense Secretary Ash Carter lays a wreath at India Gate in New Delhi, June 3, 2015. The tall, arching monument honors about 70,000 Indian soldiers who lost their lives fighting for the British army during World War I. DoD photo by Glenn Fawcett
Media Discussion - U.S. Defense Secretary Ash Carter talks with news reporters aboard an aircraft en route to Berlin, June 21, 2015. Carter plans to meet with European defense ministers and participate in his first NATO ministerial as defense secretary during the trip to Germany, Estonia and Belgium. DoD photo by U.S. Air Force Master Sgt. Adrian Cadiz
Table Talk - U.S. Defense Secretary Ash Carter meets with Afghan Acting Defense Minister Masoom Stanekzai at NATO headquarters in Brussels, June 25, 2015, to discuss matters of mutual importance. Carter is participating in his first NATO ministerial as defense secretary. DoD photo by U.S. Air Force Master Sgt. Adrian Cadiz
Howitzer Tour - U.S. Defense Secretary Ash Carter shakes hands with crew members as he receives a tour of a static M109A6 self-propelled howitzer at the Grafenwoehr Training Area in Grafenwoehr, Germany, June 26, 2015. During his European trip, Carter also attended his first NATO ministerial in Brussels as defense secretary. DoD photo by U.S. Air Force Master Sgt. Adrian Cadiz
Pre-Jump Talk - Defense Secretary Ash Carter speaks with paratroopers as they prepare to jump over Sicily drop zone on Fort Bragg, N.C., July 10, 2015. During his visit, Carter answered questions from soldiers and watched demonstrations by airborne and special operations forces. The paratroopers are assigned to the 82nd Airborne Division's 2nd Brigade Combat Team. U.S. Army Photo by Staff Sgt. Charles Crail
Paying Respects - U.S. Defense Secretary Ash Carter and Army Lt. Gen. Ronald Lewis, the defense secretary’s senior military assistant, lay a wreath during their visit to Yad Veshem in Israel, July 21, 2015. Carter was on a weeklong trip to the Middle East that also included stops in Jordan and Saudi Arabia. DoD photo by U.S. Army Sgt. 1st Class Clydell Kinchen
Passing the Flag - Defense Secretary Ash Carter hands the U.S. Transportation Command flag to Air Force Gen. Darren W. McDew as McDew assumes leadership of the command during a ceremony on Scott Air Force Base, Ill., Aug. 26, 2015. DoD photo by U.S. Air Force Master Sgt. Adrian Cadiz
Rendering Honors - Defense Secretary Ash Carter and Air Force Gen. Paul J. Selva, vice chairman of the Joint Chiefs of Staff, render honors as the national anthem plays during a remembrance ceremony at the Pentagon Memorial, Sept. 11, 2015. Family members who lost loved ones attended the ceremony, which honored the memory of those killed in the 9/11 terrorist attack. DoD photo by U.S. Air Force Senior Master Sgt. Adrian Cadiz
Carry Team - Defense Secretary Ash Carter and Army Chief of Staff Gen. Mark A. Milley render honors as an Army carry team moves the transfer case of U.S. Army Master Sgt. Joshua L. Wheeler during a dignified transfer on Dover Air Force Base, Del., Oct. 24, 2015. Carter attended the ceremony to pay his respects to the fallen soldier. DoD photo by Air Force Senior Master Sgt. Adrian Cadiz
Class Talk - U.S. Defense Secretary Ash Carter and Israeli Defense Minister Moshe Yaalon speak to a class of U.S. and international students at National Defense University in Washington, D.C., Oct. 27, 2015. DoD photo by U.S. Air Force Senior Master Sgt. Adrian Cadiz
DMZ Visit - U.S. Defense Secretary Ash Carter and Republic of Korea Minister of Defense Minkoo Han visit the Demilitarized Zone in the Republic of Korea, Nov.1, 2015. Carter is visiting the Asia-Pacific region, where he will meet with leaders from more than a dozen nations to help advance the next phase of the U.S. military's rebalance in the region by modernizing longtime alliances and building new partnerships. Photo by Air Force Senior Master Sgt. Adrian Cadiz
Sailor Salute - U.S. sailors salute U.S Defense Secretary Ash Carter as he and Malaysian Defense Minister Hishammuddin Hussein depart the USS Theodore Roosevelt after visiting the aircraft carrier in the South China Sea, Nov. 5, 2015. DoD photo by U.S. Air Force Senior Master Sgt. Adrian Cadiz
Informal Chat - U.S. Defense Secretary Ash Carter, left, speaks with Malaysian Defense Minister Hishammuddin Hussein during a visit to Sepanggar Naval Base, Malaysia, Nov. 5, 2015. Both leaders met to discuss matters of mutual importance. DoD photo by Air Force Senior Master Sgt. Adrian Cadiz
Two Leaders - U.S. Defense Secretary Ash Carter and Malaysian Defense Minister Hishammuddin Hussein discuss matters of mutual importance aboard a V-22 Osprey following a visit aboard the USS Theodore Roosevelt and to Sepanggar Naval Base in Malaysia, Nov. 5, 2015. DoD photo by Air Force Senior Master Sgt. Adrian Cadiz
Hero's Hug - Defense Secretary Ash Carter shares an embrace with retired Army Capt. Florent A. Groberg, a Medal of Honor recipient following a speech during his Hall of Heroes induction ceremony at the Pentagon, Nov. 13, 2015. DoD photo by Army Sgt. 1st Class Clydell Kinchen
Volleyball Victory - Defense Secretary Ash Carter awards a trophy to the Air Force sitting volleyball team for winning a joint service sitting volleyball tournament at the Pentagon, Nov. 19, 2015. DoD photo by EJ Hersom
King Observance - Deputy Defense Secretary Bob Work attends the annual Martin Luther King Jr. observance at the Pentagon, Jan. 15, 2014. DoD photo by Casper Manlangit
Crew Conversation - Deputy Defense Secretary Bob Work speaks with crew members assigned to Pre-Commissioning Unit Zumwalt during a visit to Bath Iron Works in Bath, Maine, May 12, 2015. DoD photo by U.S. Navy Petty Officer 2nd Class Sean Hurt
Warrior Handshakes - Deputy Defense Secretary Bob Work and his wife, Cassandra, shake hands with military athletes during the 2015 Department of Defense Warrior Games shooting competition on Marine Corps Base Quantico, Va., June 26, 2015. DoD photo by U.S. Army Sgt. 1st Class Clydell Kinchen
Military Athlete - Deputy Defense Secretary Bob Work talks with a military athlete during the 2015 Department of Defense Warrior Games shooting competition on Marine Corps Base Quantico, Va., June 26, 2015. DoD photo by U.S. Army Sgt. 1st Class Clydell Kinchen
Helicopter Conversation - Deputy Defense Secretary Bob Work, left, talks with Army Lt. Gen. Pat Donahue the deputy commanding general of U.S. Army Forces Command, as they travel from Southern California Logistics Airport in Victorville, Calif., to Fort Irwin, Calif., aboard a CH-47 Chinook helicopter, Aug. 5, 2015. DoD photo by U.S. Air Force Master Sgt. Adrian Cadiz
Norwegian Facilities - U.S. Deputy Defense Secretary Bob Work visits several Norwegian defense facilities on his second full day in Norway as he walks with Norwegian Secretary of State Oystein Bo, Sept. 9, 2015. Work is on a weeklong trip to northern Europe that includes stops in Iceland and the United Kingdom. DoD Photo by Glenn Fawcett
Camp Lemonnier - U.S. Deputy Defense Secretary Bob Work discusses Defense Department changes with U.S. soldiers on Camp Lemonnier, Djibouti, Nov. 26, 2015. The soldiers, members of a quick-response unit, are assigned to the Florida Army National Guard's Company D, 2nd Battalion, 124th Infantry Regiment. U.S. Air Force photo by Senior Airman Peter Thompson
Turkey Talk - U.S. Deputy Defense Secretary Bob Work, center, talks to U.S. airmen while serving Thanksgiving dinner to service members on Al Udeid Air Base, Qatar, Nov. 26, 2015. DoD photo by Army Sgt. 1st Class Clydell Kinchen
Press Conference - U.S. Army Gen. Martin E. Dempsey, chairman of the Joint Chiefs of Staff, left, and Iraqi Defense Minister Khaled al-Obeidi conduct a press conference in Baghdad, March 9, 2015. DOD photo by D. Myles Cullen
Texas Troops - Army Gen. Martin E. Dempsey, chairman of the Joint Chiefs of Staff, talks with service members assigned to 3rd Cavalry Regiment on Fort Hood, Texas, June 18, 2015. DoD photo by U.S. Army Staff Sgt. Sean K. Harp
The Singing Chairman - Army Gen. Martin E. Dempsey, chairman of the Joint Chiefs of Staff, sings a pair of Irish tunes during the 2015 Tragedy Assistance Program for Survivors gala at the National Building Museum in Washington, D.C., March 18, 2015. DoD photo by EJ Henson
Chairman's Hancock - Army Gen. Martin E. Dempsey, chairman of the Joint Chiefs of Staff, signs a baseball for a child during the game between the Washington Nationals and San Fransisco Giants at Nationals Park in Washington, D.C., July, 4, 2015. DoD photo by U.S. Navy Petty Officer 1st Class Daniel Hinton
Reporter Interview - U.S. Army Gen. Martin E. Dempsey, right, chairman of the Joint Chiefs of Staff, gives an interview to reporters after visiting with leaders and service members supporting the NATO-led Resolute Support mission in Kabul, Afghanistan, July 19, 2015. DoD photo by U.S. Navy Petty Officer 1st Class Daniel Hinton
Presenting a Wreath - U.S. Army Gen. Martin E. Dempsey, chairman of the Joint Chiefs of Staff, presents a wreath during a ceremony honoring fallen Irish military veterans at Cathal Brugha Barracks in Dublin, Aug. 18, 2015. DoD photo by D. Myles Cullen
Dempsey Award - German Army Gen. Volker Wieker, chief of defense, places the medal for the Knights Commander's Cross of the Order of Merit of the Federal Republic of Germany on U.S. Army Gen. Martin E. Dempsey, chairman of the Joint Chiefs of Staff, during a ceremony at the Defense Ministry in Berlin, Sept. 10, 2015. DoD photo by D. Myles Cullen
Coin Connection - U.S. Army Gen. Martin Dempsey, chairman of the Joint Chiefs of Staff, presents coins to U.S. soldiers during a visit to Tapa Military Base in Tapa, Estonia, Sept. 15, 2015. U.S. Army photo by Sgt. 1st Class Joshua S. Brandenburg
Rendering Honors - President Barack Obama, Defense Secretary Ash Carter and Marine Corps Gen. Joseph F. Dunford Jr., the incoming chairman of the Joint Chiefs of Staff, render honors during the change of responsibility ceremony between Dunford and Army Gen. Martin E. Dempsey, the outgoing chairman, at Summerall Field on Joint Base Myer-Henderson Hall in Arlington, Va., Sept. 25, 2015. DoD photo by U.S. Army Sgt. 1st Class Clydell Kinchen
Swearing In - Army Gen. Martin E. Dempsey, left, 18th chairman of the Joint Chiefs of Staff, swears in his predecessor, Marine Corps Gen. Joseph F. Dunford Jr., during a ceremony on Joint Base Myer-Henderson Hall in Arlington, Va., Sept. 25, 2015. DoD photo by D. Myles Cullen
Baghdad Meeting - Iraqi Defense Minister Khaled al-Obaidi, right, meets with U.S. Marine Corps Gen. Joseph F. Dunford Jr., chairman of the Joint Chiefs of Staff, at the Iraq Ministry of Defense in Baghdad, Iraq, Oct. 20, 2015. DoD photo by D. Myles Cullen
South Korean Cemetery - U.S. Marine Corps Gen. Joseph F. Dunford Jr., chairman of the Joint Chiefs of Staff, participates in a ceremony at the National Cemetery in South Korea, Nov. 1, 2015. DoD photo by Navy Petty Officer 2nd Class Dominique A. Pineiro
DMZ Info - U.S. Marine Corps Gen. Joseph F. Dunford Jr., chairman of the Joint Chiefs of Staff, listens to a South Korean soldier brief him during a trip to the Demilitarized Zone in South Korea, Nov. 2, 2015. DoD photo by U.S. Navy Petty Officer 2nd Class Dominique A. Pineiro
Dunford Focus - U.S. Marine Corps Gen. Joseph F. Dunford Jr., chairman of the Joint Chiefs of Staff, travels aboard a helicopter to the Demilitarized Zone that divides North Korea and South Korea, Nov. 2, 2015. DoD photo by U.S. Navy Petty Officer 2nd Class Dominique A. Pineiro