Russia has lost 762,440 troops in Ukraine since the beginning of its full-scale invasion on Feb. 24, 2022, the General Staff of Ukraine's Armed Forces reported on Dec. 15.This number includes 1,280 casualties Russian forces suffered just over the past day.According to the report, Russia has also lost 9,551 tanks, 19,707 armored fighting vehicles, 31,398 vehicles and fuel tanks, 21,128 artillery systems, 1,256 multiple launch rocket systems, 1025 air defense systems, 369 airplanes, 329 helicopters, 20,356 drones, 28 ships and boats, and one submarine.