M2/M3 BFV: FIRE CONTROL SYSTEM - OD1608 - LESSON 1/TASK 4
Up to this point, the 25mm gun, the 7.62mm coaxial machinegun, the
backup sight, and the night sight to day sight on the ISU have all
been boresighted and should provide reliable performance in a combat
situation. The only weapon left to be boresighted is the TOW missile
The procedures for boresighting the TOW launcher will be
discussed in the next task.