Graham, a member of the Senate Armed Services Committee, is also calling for the Pentagon to stop moving military dependents into South Korea
, where roughly 28,500 American troops are stationed. About 12,000 of those troops are participating in a massive five-day joint air exercise with South Korea
n allies that kicked off on Dec. 4. White House
National Security Adviser Lt. Gen. H.R. McMaster said over the weekend that the potential for war "is increasing every day."