Yak-141 Freestyle VSTOL multirole fighter

The Yak-141 was to be the supersonic successor to the relatively primitive Yak-38 Forger fixed-wing vertical/short take-off and landing (VSTOL) combat aircraft. If it had entered service, it would have been the only supersonic aircraft to use a combination of engines for vertical and conventional flight.

The shoulder-mounted swept wing had small leading-edge root extensions (LERX) and long-chord wingtips with tip rails for air-to-air missiles (AAM). Two sections of leading-edge...