THIS DEVICE IS A COMPONENT OF THE MULTIPLE INTEGRATED LASER ENGAGEMENT SYSTEM 2000 (M2K); THE M2K IS A FAMILY OF TRAINING SYSTEMS WHICH SIMULATE THE EFFECTS OF DIRECT-FIRE WEAPONS AT THEIR OPERATINAL RANGES; THE M2K SYSTEMS ARE PRIMARILY USED FOR FORCE-ON-FROCE TRAINING FROM SQUAD UP TO AND INCLUDE BRIGADE LEVEL; M2K EQUIPMENT IS DOWNWARD COMPATIBLE WITH THE BASIC MILES EQUIPMENT PRESENTLY FIELDED