U.S. Acting Secretary of Defense Patrick M. Shanahan meets with Belgian Minister of Defence Didier Reynders at the Pentagon in Washington, D.C., Feb. 21, 2019. (DoD photo by U.S. Army Sgt. Amber I. Smith)

Secretary of the Navy Richard V. Spencer hosts the Chief of Naval Operations (CNO) Change of Office ceremony at the Washington Navy Yard, Washington D.C., August 22, 2019. Adm. John Richardson concluded his tenure as the 31st CNO and Adm. Mike Gilday assumed his role as the 32nd CNO. (DoD Photo by U.S. Army Sgt. James K. McCann)

SecDef Agenda 2013

Copyright SDA

U.S. Vice President of the United States Michael Pence receives an American Flag during a flag presentation to the Korean War Veterans Memorial Foundation at the Korean War Memorial in Washington, D.C., Sep. 20, 2018. The vice president presented a flag to the foundation that was among the flags that wrapped the cases of some 55 remains of fallen Americans from the Korean War. (DoD photo by Army Sgt. Amber I. Smith)

Soldiers of the 3d U.S. Infantry Regiment (The Old Guard), participated in a Armed Forces Farewell Tribute in honor of Chuck Hagel, Twenty-Forth Secretary of Defense, at Conmy Hall, Joint Base Myer-Henderson Hall, Jan. 28, 2015. Hagel served as the Secretary of Defense for two years and present for the ceremony was President of the United States Barrack H. Obama, Vice President of the Untied States Joseph R. Biden, and General Martin E. Dempsey Chairman of the Joint Chiefs of Staff. (U.S. Army photo by Spc. Cody Wes Torkelson)

18th Chairman of the Joint Chiefs of Staff Gen. Martin E. Dempsey joins Secretary of Defense Chuck Hagel and Undersecretary of Defense Comptroller Robert Hale to serve as witnesses at The U.S. House of Representatives Committee on Appropriations Department of Defense Budget Hearing, on Capitol Hill, Mar. 13, 2014.

DoD photo by Staff Sgt. Sean K. Harp

Deputy Secretary of Defense Patrick M. Shanahan meets with Israeli Director General Udi Adam at the Pentagon in Washington, D.C., Apr. 30, 2018. (DoD photo by U.S. Army Sgt. Amber I. Smith)

Deputy Secretary of Defense Pat Shanahan meets with Bosnia and Herzegovina's Minister of Defense Marina Pendes at the Pentagon in Washington, D.C., Sept. 12, 2017. (DOD photo by Air Force Tech. Sgt. Brigitte N. Brantley)

U.S. Army Chinook helicopter crews fly from Osan Air Base to Seoul, South Korea, in support of the visit of U.S. Acting Secretary of Defense Patrick M. Shanahan, June 2, 2019. (DoD photo by Lisa Ferdinando)

Under Secretary of Defense for Policy Dr. James N. Miller receives an award during a farewell ceremony for himself at the Pentagon, Jan. 7, 2014. DoD photo by Mass Communication Specialist 1st Class Daniel Hinton.

Leon E. Panetta takes the oath of office as the 23rd U.S. Secretary of Defense during a ceremony at the Pentagon July 1, 2011. Department of Defense General Counsel Jeh Johnson administered the oath in the secretary’s office. (DoD photo by Tech. Sgt. Jacob N. Bailey, U.S. Air Force/Released)

Secretary of Defense Dr. Mark T. Esper and U.S. Army Gen. Mark A. Milley, chairman of the Joint Chiefs of Staff provide testimony to the House Armed Services Committee on Department of Defense authorities and roles related to civilian law inforcement in Washington D.C., July 9, 2020. (DOD photo by Chad J. McNeeley)

U.S. Service members assigned to the Department of Defense Honor Guard stand before a meeting between Acting Secretary of Defense Patrick M. Shanahan and Qatar Minister of State for Defence Affairs Khalid bin Mohammad Al Attiyah at the Pentagon in Washington, D.C., March 12, 2019. (DoD photo by U.S. Army Sgt. Amber I. Smith)

Audience members attend a Vietnam War commemoration event, which featured a screening of Ken Burns and Lynn Novick's documentary "The Vietnam War," at the Pentagon in Washington, D.C., Oct. 17, 2017. (DOD photo by U.S. Air Force Staff Sgt. Jette Carr)

Soldiers of the 3d U.S. Infantry Regiment (The Old Guard), participated in a Armed Forces Farewell Tribute in honor of Chuck Hagel, Twenty-Forth Secretary of Defense, at Conmy Hall, Joint Base Myer-Henderson Hall, Jan. 28, 2015. Hagel served as the Secretary of Defense for two years and present for the ceremony was President of the United States Barrack H. Obama, Vice President of the Untied States Joseph R. Biden, and General Martin E. Dempsey Chairman of the Joint Chiefs of Staff. (U.S. Army photo by Spc. Cody Wes Torkelson)

Soldiers of the 3d U.S. Infantry Regiment (The Old Guard), participated in a Armed Forces Farewell Tribute in honor of Chuck Hagel, Twenty-Forth Secretary of Defense, at Conmy Hall, Joint Base Myer-Henderson Hall, Jan. 28, 2015. Hagel served as the Secretary of Defense for two years and present for the ceremony was President of the United States Barrack H. Obama, Vice President of the Untied States Joseph R. Biden, and General Martin E. Dempsey Chairman of the Joint Chiefs of Staff. (U.S. Army photo by Spc. Cody Wes Torkelson)

Deputy Secretary of Defense Pat Shanahan learns about the mission of Joint Base Lewis-McChord, Wash., Nov. 14, 2017, from the Airmen and Soldiers stationed there. It was his first opportunity to observe military unit readiness firsthand outside the Washington, D.C., area. (DOD photo by U.S. Air Force Tech. Sgt. Brigitte N. Brantley)

From left, Secretary of Defense Chuck Hagel, U.S. President Barack H. Obama, U.S. Vice President Joseph R. Biden Jr. and Chairman of the Joint Chiefs of Staff Gen. Martin E. Dempsey watch as The Old Guard Fife and Drum Corps performs during the Armed Forces Farewell Tribute in Honor of Hagel Jan. 28, 2015, in Conmy Hall on the Fort Myer portion of Joint Base Myer-Henderson Hall Obama hosted the ceremony with co-hosts Biden Jr. and Dempsey. (Joint Base Myer-Henderson Hall PAO photo by Rachel Larue)

18th Chairman of the Joint Chiefs of Staff Gen. Martin E. Dempsey joined Secretary of Defense Hon. Chuck Hagel at to address the media in the Pentagon Briefing Room, Sept. 26, 2014. DoD photo by Army Staff Sgt. Sean K. Harp/Released

Secretary of Defense Dr. Mark T. Esper exercises with U.S. Strategic Command (USSTRATCOM) and 55th Wing service members at the field house at Offutt Air Force Base, Neb., Feb. 20, 2020. Esper participated in circuit training with more than 40 USSTRATCOM and 55th Wing service members, following up the workout with a question and answer session. (U.S. Navy photo by Mass Communication Specialist 1st Class Julie R. Matyascik)

Deputy Secretary of Defense Pat Shanahan learns about the mission of Joint Base Lewis-McChord, Wash., Nov. 14, 2017, from the Airmen and Soldiers stationed there. It was his first opportunity to observe military unit readiness firsthand outside the Washington, D.C., area. (DOD photo by U.S. Air Force Tech. Sgt. Brigitte N. Brantley)

U.S. Acting Secretary of Defense Patrick M. Shanahan and Acting Secretary of Homeland Security Kevin McAleenan meet with National Guard Soldiers from Rio Grande Valley Task Force Aviation during a visit to the U.S. Southern Border, McAllen, Texas, May 11, 2019. (DoD photo by U.S. Army Sgt. Amber I. Smith)

U.S. Acting Secretary of Defense Patrick M. Shanahan and Acting Secretary of Homeland Security Kevin McAleenan meet with U.S. Army Soldiers assigned to the 93rd Military Police Battalion Crisis Response Force, deployed from Ft. Bliss, Texas, and National Guard Soldiers from the 3rd, 141st Infantry Battalion during a visit to the U.S. Southern Border, McAllen, Texas, May 11, 2019. (DoD photo by U.S. Army Sgt. Amber I. Smith)

Deputy Secretary of Defense Patrick M. Shanahan speaks during the Reagan National Defense Forum at the Ronald Reagan Presidential Library in Simi Valley, Calif., Dec. 2, 2017. The forum brings together leaders and key stakeholders in the defense community, including members of Congress, military leaders, industry, scholars and administration officials. (DOD photo by U.S. Air Force Tech. Sgt. Brigitte N. Brantley)

From left, U.S. President Barack H. Obama, U.S. Vice President Joseph R. Biden Jr. and Chairman of the Joint Chiefs of Staff Gen. Martin E. Dempsey clap as Secretary of Defense Chuck Hagel takes to podium to give remarks during the Armed Forces Farewell Tribute in Honor of Hagel Jan. 28, 2015, in Conmy Hall on the Fort Myer portion of Joint Base Myer-Henderson Hall. Obama hosted the ceremony with co-hosts Biden and Dempsey. (Joint Base Myer-Henderson Hall PAO photo by Rachel Larue)

18th Chairman of the Joint Chiefs of Staff Gen. Martin E. Dempsey joins Secretary of Defense Chuck Hagel and Undersecretary of Defense Comptroller Robert Hale to serve as witnesses at The U.S. House of Representatives Committee on Appropriations Department of Defense Budget Hearing, on Capitol Hill, Mar. 13, 2014.

DoD photo by Staff Sgt. Sean K. Harp

Soldiers of the 3d U.S. Infantry Regiment (The Old Guard), participated in a Armed Forces Farewell Tribute in honor of Chuck Hagel, Twenty-Forth Secretary of Defense, at Conmy Hall, Joint Base Myer-Henderson Hall, Jan. 28, 2015. Hagel served as the Secretary of Defense for two years and present for the ceremony was President of the United States Barrack H. Obama, Vice President of the Untied States Joseph R. Biden, and General Martin E. Dempsey Chairman of the Joint Chiefs of Staff. (U.S. Army photo by Spc. Cody Wes Torkelson)

Acting U.S. Secretary of Defense Patrick M. Shanahan meets with Greek Minister of Defence Evangelos Apostolakis during a visit to the Pentagon in Washington, D.C., June 7, 2019. (DoD photo by U.S. Army Sgt. Amber I. Smith)

SECDEF makes opening remarks.

18th Chairman of the Joint Chiefs of Staff Gen. Martin E. Dempsey joined Secretary of Defense Chuck Hagel and Under Secretary of Defense (Comptroller)/Chief Financial Officer Robert Hale to testify before the Senate Subcommittee on Department of Defense to examine proposed budget estimates for fiscal year 2015 for the Department of Defense, Jun. 18, 2014. DoD photo by SSG Sean K. Harp, USA

Secretary of Defense, Dr. Mark T. Esper, Vice Chairman of the Joint Chiefs of Staff Air Force Gen. John E. Hyten, and Air Force Gen. Tod D. Wolters, commander, U.S. European Command, brief the media on the European Strategic Force Posture Review, July 29, 2020. (DoD Photo by Chad J. McNeeley)

Defense Secretary James N. Mattis, Under Secretary of Defense (Comptroller) David L. Norquist, and Marine Corps Gen. Joseph F. Dunford, chairman of the Joint Chiefs of Staff, provide testimony on the DOD posture and fiscal year 2019 budget request to the Senate Armed Services Committee at the Hart Senate Office Building in Washington D.C. April. 26, 2018. DoD Photo by Navy Petty Officer 1st Class Dominique A. Pineiro

From left, Secretary of Defense Dr. Mark T. Esper poses with U.S. Navy Adm. Charles “Chas” A. Richard, commander of U.S. Strategic Command (USSTRATCOM), and Command Senior Enlisted Leader Chief Master Sgt. Patrick F. McMahon upon his arrival to the USSTRATCOM Command and Control Facility at Offutt Air Force Base, Neb., Feb. 20, 2020. During his visit, Esper toured the command’s global operations center and participated in discussions with senior leaders and warfighters on strategic deterrence in the 21st century. (U.S. Air Force photo by Steve Cunningham)

Secretary of Defense Chuck Hagel and 18th Chairman of Joint Chiefs of Staff Gen. Martin E. Dempsey addressed media during a press briefing in the Pentagon Press Briefing Room, Feb. 24, 2014. The focus of the briefing was to layout a proposed Department of Defense budget for the Armed Services. DoD photo by Staff Sgt. Sean K. Harp

U.S. Acting Secretary of Defense Patrick M. Shanahan greets the children during Take Our Daughters and Sons to Work Day, at the Pentagon, Washington, D.C., April 25, 2019. (DoD photo by Lisa Ferdinando)

Acting U.S. Secretary of Defense Patrick M. Shanahan meets with the Austrian Minister of Defense Mario Kunasek at the Pentagon in Washington, D.C., April 10, 2019. (DoD photo by U.S. Army Sgt. Amber I. Smith)

Acting U.S. Secretary of Defense Patrick M. Shanahan meets with members of the 353rd Special Operations Group, Detachment 1, for a CV-22B Osprey mission brief, Yokota Air Base, Japan, June 4, 2019. (DoD photo by Lisa Ferdinando)

U.S. Navy Adm. Charles Richard, commander of U.S. Strategic Command, briefs Secretary of Defense Dr. Mark T. Esper on the orientation of the battle deck in the command's new Command and Control Facility at Offutt Air Force Base, Neb., Feb. 20, 2020. During his visit, Esper toured the command’s global operations center and participated in discussions with Richard, other senior leaders and warfighters on strategic deterrence in the 21st century. (U.S. Air Force photo by Staff Sgt. Ian Hoachlander)

Secretary of Defense Dr. Mark T. Esper engages with U.S. Strategic Command (USSTRATCOM) and 55th Wing service members at the field house at Offutt Air Force Base, Neb., Feb. 20, 2020. Esper participated in circuit training with more than 40 USSTRATCOM and 55th Wing service members, following up the workout with a question and answer session. (U.S. Navy photo by Mass Communication Specialist 1st Class Julie R. Matyascik)

Secretary of Defense Robert M. Gates talks with members of the press during the 9th International Institute for Strategic Studies Asia Security Summit, the Shangri-La Dialogues, in Singapore June 4, 2010. (DoD photo by Master Sgt. Jerry Morrison, U.S. Air Force/Released)

Robert Hale stands with his wife on stage during Mr. Hale's farewell ceremony.

18th Chairman of the Joint Chiefs of Staff Gen. Martin E. Dempsey joined Secretary of Defense Chuck Hagel and guests to say farewell to outgoing Under Secretary of Defense (Comptroller)/Chief Financial Officer Robert Hale in the Pentagon Auditorium, July 7, 2014. DoD photo by SSG Sean K. Harp, USA

U.S. Marine Gen. Joseph F. Dunford Jr., chairman of the Joint Chiefs of Staff, delivers remarks during a Memorial Day Address at Arlington National Cemetery, Va., May 30, 2016. DoD photo by Army Staff Sgt. Sean K. Harp/Released

U.S. Acting Secretary of Defense Patrick M. Shanahan and Acting Secretary of Homeland Security Kevin McAleenan meet with U.S. Army Soldiers assigned to the 93rd Military Police Battalion Crisis Response Force, deployed from Ft. Bliss, Texas, and National Guard Soldiers from the 3rd, 141st Infantry Battalion during a visit to the U.S. Southern Border, McAllen, Texas, May 11, 2019. (DoD photo by U.S. Army Sgt. Amber I. Smith)

U.S. Deputy Secretary of Defense inducts U.S. Army Staff Sgt. Ronald J. Shurer II into the Hall of Heroes during a ceremony at the Pentagon in Washington, D.C., on Oct. 2, 2018, after being awarded the Medal of Honor by the President. (DoD photo by Army Sgt. Amber I. Smith)

Deputy Secretary of Defense Patrick M. Shanahan is the invited guest of honor by Assistant Commandant of the Marine Corps Gen. Glenn M. Walters during the Marine Barracks Washington sunset parade in Arlington, Va., May 11, 2018. (DoD photo by U.S. Army Sgt. Amber I. Smith)

Defense Media Activity (DMA) personnel from various sections including Production, Production Support, DoD News, and Social Media, prepare for the production and live broadcast of “World Wide Troop Talk” featuring Secretary of Defense, The Honorable Ashton B. Carter. Hours of prep time and numerous dry runs, ensured the Defense Media Activity efforts for the Secretary’s visit to DMA’s state of the art studio at Fort Meade, Maryland for his participation in the “World Wide Troop Talk” was a success. (Department of Defense Photo by Marvin Lynchard)

Soldiers of the 3d U.S. Infantry Regiment (The Old Guard), participated in a Armed Forces Farewell Tribute in honor of Chuck Hagel, Twenty-Forth Secretary of Defense, at Conmy Hall, Joint Base Myer-Henderson Hall, Jan. 28, 2015. Hagel served as the Secretary of Defense for two years and present for the ceremony was President of the United States Barrack H. Obama, Vice President of the Untied States Joseph R. Biden, and General Martin E. Dempsey Chairman of the Joint Chiefs of Staff. (U.S. Army photo by Spc. Cody Wes Torkelson)

Acting U.S. Secretary of Defense Patrick M. Shanahan meets with Greek Minister of Defence Evangelos Apostolakis during a visit to the Pentagon in Washington, D.C., June 7, 2019. (DoD photo by U.S. Army Sgt. Amber I. Smith)

Secretary of Defense Ash Carter stands while honors are played during the U.S. Marine Corps passage of command ceremony held at Marine Barracks, in Washington, D.C., Sept. 24, 2015. Gen. Joseph F. Dunford relinquished command to Gen. Robert B. Neller. Gen. Dunford will take over as Chairman of the Joint Chiefs of Staff on Sept. 25, 2015. DoD photo by Army Staff Sgt. Sean K. Harp/Released

94-year-old U.S. Army Sgt. Herman Zeitchik, meets with U.S. Secretary of Defense Dr. Mark T. Esper, and U.S. Marine Corps Gen. Joe Dunford, chairman of the Joint Chiefs of Staff, during a visit to the Pentagon, Aug. 29, 2019. (DOD photo by U.S. Navy Petty Officer 1st Class Dominique A. Pineiro)