The overall structure and performance of M3 are basically the same as that of M2 infantry fighting vehicle. The main differences are as follows: M3 has three crew members, the crew members are reduced to two scouts, and the total combat weight is reduced to 22,440 kilograms. The number of spare shells for 25mm cannon increased to 65,438+0,200, and the number of spare "Tao" missiles increased from 5 to 65,438+00. All five people are wearing "three-proof" clothes and connected with the new special gas filter through the hose on the three-proof clothes.