Mil Mi-24 (Hind)
One of the most significant helicopters to come out of the Soviet Union.  Following American success
with helicopter gunships in Vietnam, the Mi-24 was developed and the Hind-A first appeared in 1973.  
The Hind-D appeared in 1975.   The Mi-24 saw extensive service in the Soviet's Afghanistan war.
Mi-24 (Hind-A)
Mi-24 (Hind-D)
Mi-24 (Hind-D)
Mi-24 (Hind-D)