In the 1960s, with advances in military communications, it became feasible for small units to have aerial support on standby 24/7. As American troops became more reliant on Close Air Support (CAS) missions, this became an integral part of their warfighting doctrine, later codified as AirLand Battle.
EFFECT:
This unit gains a Very Easy DM to its hit rolls when attacking an enemy unit which has been Spotted!