During the Cold War, the Soviet Union built hundreds of fighter, bomber and attack aircraft, many of them low-tech but rugged and highly maneuverable warplanes, in a bid to take on NATO forces. But despite some tense times, the uneasy conflict never truly turned hot, and following the dissolution of the Warsaw Pact, thousands of ageing combat aircraft were grounded and left to rust, many of them strewn far and wide across the vast expanses of Russia.