(1)
Positions essential to immigration enforcement, national security, or public safety.
(2)
Positions funded by nonappropriated funds in Department of Defense NAF instrumentalities.
(3)
Civilian Mariner positions.
(4)
Positions at depots, shipyards, arsenals, and maintenance facilities.
(5)
Positions at United States Military Entrance Processing Command.
(6)
Positions at military medical treatment facilities that perform patient care or are essential to hospital operations.
(7)
Child and Youth Programs staff.
(8)
Instructors or facility support staff at Department of Defense schools or child care centers.
(9)
Installation positions that support fire, life, and safety functions.