Operation Blowdown was designed to simulate the effects of a nuclear weapon on tropical rainforest, using 50 tons of conventional explosive (TNT)
Nuclear Weapons Surety Reports
Records on Nuclear Weapons & Attacks
Operation Redwing was a United States series of 17 nuclear test detonations from May to July 1956.
A "dull sword" is an Air Force reporting term that marks reports of minor incidents involving nuclear weapons,
Bent Spear: Minot Air Force Base (08-29-2007)