By November 1943, the Americans had the following Chemical Weapon (CW) inventory at the Darra Ordnance Ammunition Depot:- .
- 373 tons bulk Mustard gas
- 101 tons bulk Lewisite
- 82 tons bulk Tear Gas Solution (CNS)
- 4,945 empty 100 lbs bombs
- 5,595 DM Candles (toxic smoke)
- 5,489 – 105mm Houwitser (H)
By May 1944, Darra was also storing Chemical Weapons for the US Air Force and a small amount for the US Navy..
See: OzatWar