![American Combat Car T4 at the Aberdeen Proving Grounds, Harford County, Maryland. August 12th, 1933 : r/tanks American Combat Car T4 at the Aberdeen Proving Grounds, Harford County, Maryland. August 12th, 1933 : r/tanks](https://i.redd.it/n1ot1aaibpp51.jpg)
American Combat Car T4 at the Aberdeen Proving Grounds, Harford County, Maryland. August 12th, 1933 : r/tanks
The Tank Museum - On the 5th February 1934 at Aberdeen Proving Ground, Maryland, USA, the sole Combat Car T4 climbs a 3 foot (1m) tall log ramp. During the 1930s the
![U.S. Army Armor & Cavalry Collection on X: "Last week, we mentioned moving the M2A3 light tank to make space for another 1930's tank. This morning, the T4/M1 medium convertible tank is U.S. Army Armor & Cavalry Collection on X: "Last week, we mentioned moving the M2A3 light tank to make space for another 1930's tank. This morning, the T4/M1 medium convertible tank is](https://pbs.twimg.com/media/Fr_odelXsAc_FQK.jpg)