Russia has lost 690,720 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 Oct. 28.This number includes 1,680 casualties Russian forces suffered just over the past day.According to the report, Russia has also lost 9,120 tanks, 18,395 armored fighting vehicles, 27,660 vehicles and fuel tanks, 19,872 artillery systems, 1,240 multiple launch rocket systems, 984 air defense systems, 369 airplanes, 329 helicopters, 17,867 drones, 28 ships and boats, and one submarine.Ukraine war latest: Russia transporting North Korean troops to front lines in civilian trucks, military intelligence saysKey developments on Oct.