Although only small in number, the propeller-driven trainers and their crews' World War I tactics are claimed to be enjoying ...

The main targets of these prop planes are Orlan and Zala reconnaissance drones. And also Shahed explosive drones.

The Yak-9K was essential for the Soviet Air Force’s mission to regain air superiority over the German Luftwaffe during key battles, such as Kursk in 1943.