The "academy" uses kuma, a Latin-phonetic Japanese, as its name, so you may realize the background and meaning of its existence.

Dear islanders, may I remind you that, just in case when the final day comes, those members of the quasi-militia group are the most dreadful threat to your lives and properties, not the well-trained and highly disciplined PLA. Good luck, guys! 

https://user.guancha.cn/main/content?id=1316139&s=fwzwyzzwzbt