301st Heavy Tank Battalion (United States)

301st Heavy Tank Battalion
301st Tank Battalion. American heavies going into action at Souplet on the morning of October 17, 1918
Disbanded	1918 (reorganized into 66th Infantry Regiment (Light Tanks))
Country	United States
Branch	United States Army
Type	Armor
Role	Armored warfare
Part of	the American Expeditionary Force
Equipment	Mark V tank
Engagements	World War I

The 301st Heavy Tank Battalion of the American Expeditionary Forces (AEF) was a Heavy Tank unit during World War I. Of the eight heavy battalions (the 301st to 308th) raised, only the 301st saw combat.^[1] The 301st was reorganized post-war into the 66th Infantry Regiment (Light Tanks), later to become the 66th Armor Regiment, the oldest armored regiment in the United States Army.