scope:

The provisions of this directive apply whenever any explosives, propellant, or similar hazard class 1 energetic materials or other ammunition items in classes 2 through 9 are present on Air Force owned or leased facilities and may, when specified in the contract, apply at Air Force owned and contractor operated facilities. Explosives safety requirements should be clearly specified in the contract. If explosives safety requirements are not specified in a contract, apply the provisions of DoD 4145.26-M, DoD Contractors Safety Manual for Ammunition and Explosives. The provisions herein also apply to Air Force ammunition and explosives facilities whenever Air Force titled ammunition and explosives are in the custody of Air Force civilian or military personnel, and to Air Force titled ammunition and explosives in host nation facilities. The provisions also apply to Air Force personnel and facilities exposed by any other Potential Explosion Site (PES), whether it be United States or host nation ammunition and explosives.