Medium Tank M3A1 Lee was an armored vehicle (tank, AFV or armoured fighting vehicle) in combat use during the Second World War (World War II or WWII) in various theaters. The M3A1 was a fully tracked all-terrain vehicle designed for military operations. M3A1, also known as the Lee, was produced and deployed by the US Army of the United States of America (USA). The technical drawing (plan, layout or profile) shows the general appearance characteristics of the specified model (version) of the M3A1 tank for purposes of identification and reference. For more detailed information about this armored fighting vehicle, refer to M3A1 Lee.