The ghosts are awakened
That is battleground from the early 70's ...
from there all the way north to the Laos border. The site of the US Secret war
I do not joke. There are a lot of ghosts there. It was declassified in 1999 by Bill Clinton so these people could receive benefits like any Veteran (look it up)
You tube has some great stuff on the 56th Special Operation Wing and many other fighting units who fought Vietnam Pt 2. (1970-1975)