Seeing extensive action in the North African desert, the M3 Lee was the US main medium tank (modified for the British as the General Grant Mk I) and was introduced in response to the problem of Allied tanks being outgunned by German equivalents. The M3 mounted a 75mm in the right sponson and a 37mm in the turret. Welcome as this was the tank crews did experience problems with trying to get the vehicle into a hull down position and still be able to fire the 75mm. This lead to the problem of the M