a lawful order to receive a vaccine for COVID-19. (2) The term covered Armed Force means the Army, Navy, Marine Corps, Air Force, Coast Guard, or Space Force. 529. Continuing military service for certain members eligible for chapter 61 retirement (a) In general Not later than one year after the date of the enactment of this Act, the Secretary of Defense shall prescribe regulations that authorize the Secretary of the military department concerned to authorize a covered member to continue to serve in the Armed Forces— (1) in the current military occupational specialty of such covered member, for which the covered member may not be deployable