1918 In January, approximately 10,000 acres were leased by the War Department. In July, another 40,000 acres were purchased for marching and maneuver areas. Formerly, Camp Taylor, the new area was designated Camp Henry Knox. During World War I (WWI), construction began to make Camp Knox an artillery center. When the Armistice was signed, the post was only partially completed and was not occupied by troops. In December, the 10th Artillery Brigade was the first unit in the new barracks.

1922 Camp Knox became a permanent post for training troops.

1926 – 1928 The post was designated as a National Forest. Civilian caretakers maintained the post during that time.

1932 Colonel Daniel Van Voorhis selected Camp Knox for mechanized cavalry training. Camp Knox was reactivated as a permanent post and the name was changed from Camp Knox to Fort Knox.

1943 Chemical agent-related activity occurred using vapor detection kits and mines.

1957 A letter from the Army Medical Research Laboratory noted chemical agent materiel and information used by Fort Knox personnel.

Fort Knox is 14 miles from north to south and 18 miles from east to west, containing approximately 110,351 acres. Approximately 58 firing ranges exist to accommodate weapons ranging in size from a pistol to the 120mm gun.

CWM site - Chemical Warfare Training Field - On a chemical warfare training field at Fort Knox (unspecified location), numerous demonstrations on the actual use of mustard gas (HS) were held. During these exercises, 55gallon drums were opened and chemical land mines were filled and then later detonated. Participants donned various levels of protection and were instructed to do various movements within the contaminated,area. The final disposition of the drums and remnants of the mines was not mentioned. No further information was found in reference to chemical warfare materiel.