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.
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.