The Operational Art of War, Vol. 2: 1956-2000 чит-файл №1

Hint: Attack helicopters should be used in four cases: to screen or anchor
exposed flanks, as airborne reconnaissance units, as escorts for transport
helicopters, and to engage enemy armor from long range.
                               
Hint: Remember that from the 1970s and on, most western armies have been
equipped with advanced night-fighting capabilities. As a result, western
armies, in particular the United States and its NATO allies, are much better
at conducting round-the-clock operations than eastern armies.