MIL-F-48057 Fuze, Rocket, Pibd, M438 Sub-Assembly With DetonatorThis specification covers the quality assurance provisions and special requirements not covered by the drawings for parts and assembly of the Fuze, Rocket, P1BD, M438 Sub-Assembly with Detonator, with option of one \(1\) of two \(2\) Power Supply Sources: Thermal Battery or Magnetic Impulse Generator \(MIG\).