"China dismisses 'irresponsible actions' accusation by U.S. in Djibouti"
If they haven't yet, I see great potential in anti-spy weapons that "blind" spy planes. Start with an array of thousands of high-powered flashing lasers, then look in to directed energy beams, a kind of focused EMP.
http://www.ecns.cn/m/news/military/2019-06-18/detail-ifzkezvn2345918.shtml