United Aircraft Corporation has begun flight testing the two-seat Su-57D fifth-generation fighter prototype, expanding the aircraft’s combat, training and command capabilities. United Aircraft Corporation (UAC), part of the Rostec State Corporation, has commenced flight testing of the Su-57D, a new two-seat variant of the Su-57 fifth-generation multirole fighter aircraft. The prototype completed its maiden […]
SU-57 TWO-SEAT PROTOTYPE BEGINS FLIGHT TEST PROGRAMMERead More »









