Communist Rebels?

This is a border province. and it could be Communist backed rebels may be coming over the border to kidnap people to create terror.  If they could force the tribes along the border to move to the city, the rebels could take over this region.

Who are these gray trucks?

Two big cargo trucks and three Jeeps?

They are coming to the villiage.

The people come out to great them.

 They are part of the provincial security force!