Combining a wheeled steering axle with tracked rear drive, the half-track let infantry keep pace with tanks across rough ground while carrying machine guns for close support. Tens of thousands were built in dozens of variants, mounting anti-aircraft guns, mortars and anti-tank guns as well as riflemen.
M3 Halftrack armored cars Fort Knox. Three halftrac armored cars move in formation as soldiers in training at Fort Knox, Kentucky practice some new methods in the art of mechanized warfare. Capable of rapid travel over dAlfred T. Palmer · Public domain · sourceUnknownUnknown · CC BY-SA 3.0 de · sourceDescription: M3 halftrack armed with a 20 mm anti-aircraft cannon in Batey ha-Osef Museum, Tel Aviv, Israel. 2005. Source: Photo by me, User:Bukvoed.No machine-readable author provided. Bukvoed assumed (based on copyright claims). · CC BY 2.5 · source