About two dozen protesters sat in the middle of a roadway blocking access to one of the main gates at Kirtland Air Force Base, New Mexico, on Thursday.
The incident occurred near Scarborough Shoal, one of two hotly disputed areas where confrontations between the two countries have flared since last year.
Attacks on critical infrastructure — food and water delivery, health care services, defense contracting and more — could hamper U.S. military response.
A used car salesman who never served pretended to be a Delta Force vet and offered to protect his victims from phony threats by drug cartels, for a fee.