The active-duty Air Force wing at Joint Base Lewis-McChord is the only one in the U.S. military tasked with one of the nation’s most sensitive and secretive missions: transporting nuclear weapons. In military parlance, the mission is called Prime Nuclear Airlift Force, or PNAF. The 62nd Airlift Wing has a motto for that mission: “PNAF... Perfect... Always!” Not anymore.
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