MIL-T-28571G(NAVY) (NOTICE 1), MILITARY SPECIFICATION, TRUCK, FIREFIGHTING, STRUCTURAL, 1,000 GPM, 4 BY 2 (30 OCT 1997)., This notice should be filed in front of MIL-T-28571G(NAVY), dated 20 September 1991. MIL-T-28571G(NAVY) is inactive for new design and is no longer used, except for replacement purposes. This specification will be maintained until acquisition of the product is no longer required, whereupon the specification will be canceled.