目前,M1A1和M1A2主战坦克的射击训练是通过使用M865曳光锥体稳定脱壳穿甲训练弹和M831曳光破甲训练弹两种弹来完成的。到目前为止,由于现役的弹种只有脱壳穿甲弹及破甲弹,因此,前述两种训练弹至今还能满足需要。然而,这种形势已经起变化,并在可预见的将来将继续起变化。由于装甲部队所面临的威胁的变化、新的作战原则的问世及新的120mm弹种的应用,意味着只有M865及M831两种训练弹将不可能满 Currently, M1A1 and M1A2 main battle tank firing training is through the use of M865 tracer cone stability Shelling armor piercing training and M831 tracer armor training two kinds of shells to complete. So far, the only two types of training bombs still meet the needs of the current type of bombs, because only the shell-piercing shells and armor-piercing shells are used. However, this situation has changed and will continue to change in the foreseeable future. Due to changes in the threat posed by the armored forces, the advent of new principles of combat and the application of the new 120mm bullet meant that only the two M865 and M831 training bombs would not be fully capable