world war iii checkpoint charlie m113 transports tubx31The mechanised infantry were organised the same as normal rifle platoons with two exceptions. The most obvious was the provision of M113 armoured personnel carriers, known as tracks to their crews. Less obvious, but more important in many operations was the addition of an M60 machine gun to each squad. This was a significant boost in firepower, especially when combined with the new M16 assault rifles and M79 grenade launchers. The M113 was introduced