Enlisted BAS II. Enlisted members on duty at a permanent station and assigned to single (unaccompanied) government quarters, which do not have adequate food storage or preparation facilities, and where a government mess is not available and the government cannot otherwise make meals available, may be entitled to BAS II. The rate for BAS II is fixed at twice the rate for standard enlisted BAS. Effective February 10, 2006, the Navy authorized the payment of BAS II. Effective October 1, 2010, the Air Force authorized payment of BAS II to members at specific locations.