内容提示: BY ORDER OF THESECRETARY OF THE AIR FORCE AIR FORCE INSTRUCTION 21-20417 JANUARY 2008Incorporating Change 1, 12 May 2008AIR FORCE MATERIEL COMMANDSupplement28 MAY 2008MaintenanceNUCLEAR WEAPONSMAINTENANCE PROCEDURESCOMPLIANCE WITH THIS PUBLICATION IS MANDATORYACCESSIBILITY: www.e-publishing.af....