Russia’s most Su-57 fighter jet—formerly the T-50 demonstrator—has begun flights with air-launched weapons, according to Russia’s TASS news agency. “The entire set of precision weapons for this aircraft, both inside the fuselage and on an external sling, is being developed by the corporation’s enterprises,” says Boris Obnosov, CEO of Tactical Missiles Corp. Late in 2017, the fifth-generation fighter flew with a new engine, the Izdelie 30 or ...