A Soviet Union aircraft planned in the 1950s could fly at Mach 4, almost becoming the first hypersonic manned jet. The strategic bomber was so futuristic in terms of its design and capabilities that it could have practically become the most remarkable aircraft ever flown. Russia To Sell Its ‘Most Sophisticated’ Su-35 Fighters To Iran … Continue reading Straight Out Of Sci-Fi! Meet ‘Darkstar’ Strategic Bomber That Could Have Been The Greatest Aircraft To Have Ever Flown!