Executive Order 13394: Providing an Order of Succession within the Department of Defense [open pdf - 34KB]
Alternate Title: EO 13394: Providing an Order of Succession within the Department of Defense
"Subject to the provisions of section 3 of this order, the officers named in section 2, in the order listed, shall act as and perform the functions and duties of the office of the Secretary of Defense (Secretary) during any period when the Secretary has died, resigned, or is otherwise unable to perform the functions and duties of the office of Secretary."
Executive Order 13394; EO 13394
Federal Register: http://www.gpoaccess.gov/fr/
Federal Register (December 27, 2005), v.70 no.247, p.76665-76666