North Korea mocked the United States on Tuesday for a recent mistaken alert that sent Hawaii residents into a panic.
Pueblo crew members spent 11 months away from their home port -- most of it spent in North Korean prisoner camps.
The astonishing error and dismal response has prompted both state and federal investigations.
Rex Tillerson warned that if North Korea does not negotiate on its nuclear weapons it could trigger a military response.
According to sources, McMaster met with officials from South Korea and Japan.
The U.S. Air Force is deploying six B-52H Stratofortress bombers and 300 airmen from Barksdale AFB.
Japan's public broadcaster mistakenly sent an alert Tuesday warning citizens of a North Korean missile launch.
The B-2s join a number of B-1 conventional bombers already deployed on the Pacific island.
The Trump administration has approved a $130 million missile defense sale to Japan.
If war takes the service to the Korean peninsula, Neller wants Marines to know the daunting challenges they would face.