https://www.rand.org/blog/2018/10/are-we-truly-prepared-for-a-war-with-russia-or-china.html

Also mentioned in the report, a Rand study that at this point the U.S. would lose in in a military conflict with either Russia or China.
Although I'd love to see a dialogue between Rand and the guys in the video above that say Russia and China are even less prepared for war.