Atomic Weapons Orientation Part Three - Special Weapons Orientation: Weapons Family - 6:32 - This video shows U.S. stockpiles nuclear weapons up to 1961. The stockpile includes early airdrop fission weapons, Mark (Mk)-3, Mk-4, Mk-5, Mk-6, Mk-6/18, Mk-7, Mk-8, Mk-12, and Mark-9, the artillery atomic projectile. A live test of the Mk-9 fired from a 280mm cannon is shown. This was the 15-kiloton GRABLE test conducted on May 25, 1953, as part of Operation Upshot-Knothole.
Atomic Weapons Orientation Part Four - Atomic Weapons Support Operations - 12:22 - The special contributions of nuclear weapons technicians are featured in this video. They inspected, maintained, modified and modernized nuclear weapons at various storage and operation field sites. The video shows training conducted at the Defense Atomic Support Agencys nuclear weapons school in Albuquerque and the U.S. Air Forces weapons school at Lowry Air Force Base in Colorado. Technicians are shown conducting "fire test set" inspections on all branches of the armed services.