A spokesperson for the Department of Defense has confirmed that John Plumb is set to step down from his position as assistant secretary of defense for space policy in May, Breaking Defense reported Friday.
Plumb has held the space policy role since 2022. His responsibilities cover the overall supervision of policy related not only to space but also to cyber, electronic warfare, missile defense, nuclear weapons and countering weapons of mass destruction.
Included among Plumb’s policy contributions is his advocacy for lowering classification barriers to secret space programs to better facilitate the sharing of information with U.S. allies and industry partners.
Plumb’s position in the DOD was created under the 2020 National Defense Authorization Act and Plumb is the first individual to have been appointed to take it on.
No further details have been provided regarding the upcoming exit.