Soviet weapons developed by mikhail kalashnikov in 1961Soviet weapons developed by Mikhail Kalashnikov in 1961
Sikorsky multi-purpose transport helicopters fly in the usa, japan and even in antarcticaSikorsky multi-purpose transport helicopters fly in the USA, Japan and even in Antarctica
Highly maneuverable fighter. development of the sukhoi design bureauHighly maneuverable fighter. Development of the Sukhoi Design Bureau