The Sukhoi S-70 Okhotnik-B, also referred to as Hunter-B, is a Russian heavy unmanned combat aerial vehicle (UCAV) that was being developed during the 2010s by Sukhoi and Russian Aircraft Corporation MiG. Several prototypes underwent flight testing in 2019–2023 and, as of January 2024, it was projected that production could begin as early as the second half of 2024.
The drone is based on the earlier Mikoyan Skat, designed by MiG, encompassing some technologies of the fifth-generation Sukhoi Su-57 fighter jet. As of 2021, it was projected to act under the control of pilots of Su-57 jets in a potential future version, similar to the USAF Skyborg program.
First operational use was reported in July 2023 as a reconnaissance flight over Ukraine during the Russian invasion of Ukraine, and an out of control S-70 was deliberately shot down by a Russian Su-57 over Ukraine in October 2024.
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