Colonel Michael Foster at the Center for Strategic and International Studies said the current plan is for US forces to stay six months, but there have been discussions about how to increase the duration and the scope of the training mission.
Proposed rules prioritize industry over community and environmental safety.
None hurt in the derailment of oil-hauling train, but 2,400 asked to evacuate while air quality is tested.
It’s the worst case scenario of incidents oil industry skeptics have been cautioning since the beginning of the North American oil boom.
On Saturday, a train hauling 72 cars of North Dakota crude oil derailed in a small Quebec town just north of the Maine border, creating an explosion that destroyed more than 30 buildings and left more than 15 dead and 37 missing.