Providing an Order of Succession Within the Department of Defense

Executive Order 2020-27739
Signed on December 11, 2020
Defense45th Presidency

What it means

Establishes a clear line of succession for the Department of Defense, listing 18 positions in order of who would take over if the Secretary of Defense cannot perform their duties. This replaces a previous 2010 order with an updated chain of command.

Expected impact

  • Enhanced continuity of operations within the Department of Defense during leadership transitions
  • Greater clarity for national security officials about who has authority during a vacancy
  • Streamlined decision-making process during potential leadership gaps at the Pentagon
  • Potentially faster response capabilities during national security situations requiring Defense Department leadership