来源：中国日报     转载编辑：段敬裕

The United States has focused on providing the location and other details about the Russian military’s mobile headquarters, which relocate frequently. Ukrainian officials have combined that geographic information with their own intelligence to conduct artillery strikes and other attacks that have killed Russian officers.

But throughout the war, the US intelligence agencies have used a variety of sources, including classified and commercial satellites, to trace Russian troop movements.