The Sukhoi S-70 Okhotnik-B is a Russian unmanned aerial combat vehicle (UCAV), S-70 stealth being developed by Sukhoi and Russian Aircraft Corporation MiG as a sixth-generation aircraft project.Similar in concept to the United States (US) Next Generation Air Dominance (NGAD) fighter, Russia has previously revealed that it is working on a new sixth-generation fighter based on the design proposed by the Sukhoi design bureau.