Moon Base Clavius

From BoardGameGeek:

Set in a "future" 1996, Moon Base Clavius is a game of infantry combat on the moon between the Soviet Union and the United States. Each hex is ~ 27.5km and each turn is 4.5 hours. Combat results are by dice on CRT with casualties being eliminated. Victory conditions are per scenario (3 plus a campaign game). 108 counters.