Ukrainian forces allegedly captured an S-70 drone last October—although Russia may have intentionally crashed it in order to prevent its recovery intact.

A top-secret Russian unit based in Moscow has changed the landscape of drone warfare, turning what was an advantage for the Ukrainians into a vulnerability.

Russia ramps up the Su-57 program, with its new 177S turbofan engine, amid Western pressure over its war in Ukraine.

Speaking in Dubai through an interpreter, Rostec CEO Sergey Chemezov says the aircraft, also known as Checkmate, is “almost at the stage of flight testing.” The single-engine Checkmate made its ...