A man named Robby Hodge filmed this video. You can read his comment regarding the event at https://www.youtube.com/watch?v=ofd4zauLJn0#at=132. In part, he states:
I’m the one filming this video of the NC National Guard performing an assault and extraction exercise on a City of Charlotte owned property.They could not charge me with anything but did detain me for over an hour and a half in the back of a CMPD car.
Here is what he filmed: