The following individuals have been sworn-in virtually or in-person from March 30, 2021, through May 10, 2021.
- Elsa Alvarado, Special Assistant to the Assistant Secretary of Defense for Legislative Affairs for Strategic Communications
- Warren Bass, Director of Speechwriting, Office of the Assistant to the Secretary of Defense for Public Affairs
- Samuel Brannen, Deputy Assistant Secretary of Defense for Plans and Posture
- Chidi Blyden, Deputy Assistant Secretary of Defense for African Affairs
- Kathy Chung, Deputy Director of Protocol, Office of the Secretary of Defense
- Elena Crespa, Special Assistant to the Under Secretary of Defense for Policy
- Michael Donley, Director of Administration & Management
- Keenan Geter, Protocol Officer, Office of the Secretary of Defense
- Dr. Colin Kahl, Under Secretary of Defense for Policy
- Jamie Pinkham, Principal Deputy Assistant Secretary of the Army (Civil Works)
- Rachel Ross, Chief of Staff to the Secretary of the Army
- Valentine Sanders, Director, Travel Operations, Office of the Secretary of Defense
- Lauren Vargas, Special Assistant to the Under Secretary of the Air Force
For the lists of personnel sworn-in previously, please see the releases on Jan. 20, 2021, Feb. 9, 2021, Feb. 16, 2021, Feb. 22, 2021, March 1, 2021, March 9, 2021, March 15, 2021, and March 29, 2021.