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.
Japan's public broadcaster mistakenly sent an alert Tuesday warning citizens of a North Korean missile launch.
Secretary of State Rex Tillerson huddles Tuesday with nations that fought on America's side in the Korean War.
Residents and tourists remained rattled after the mistaken alert was blasted out to cellphones across the Hawaiian Islands.
U.S. military officials explained that the military moves represent routine training and scheduled upgrades.
Local officials quickly recognized Saturday's false alarm, but it took about 40 minutes to notify Hawaii residents.
The Hawaii Emergency Management Agency is trying to determine what caused the false alarm.
The B-2s join a number of B-1 conventional bombers already deployed on the Pacific island.