I read an article a while back on why it is difficult for the Chinese, Russians, or anyone else to track. There is a way they can change the orbit and trajectory of it that is undetectable to the ground, and reacquiring it is a problem.
21 posted on 10/27/2019 12:01:05 PM PDT by rlmorel
(Trump to China: This Capitalist Will Not Sell You the Rope with Which You Will Hang Us.)