Geopolitical Developments & Conflict Impact News

defence-blog.comDylan Malyasov

Russia begins flight testing of rebuilt two-seat Su-57D stealth fighter prototype

United Aircraft Corporation has commenced flight testing of a two-seat Su-57 variant, tentatively designated Su-57D, with a first flight reported on May 19 following earlier ground taxi trials. The twin-seat configuration is reported to support pilot training and may enable drone-coordination missions, with footage released via Russian MoD media.

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