United States Navy’s Pacific Fleet commander Admiral Harry Harris (left) speaks to journalists during his visit to USS Spruance (DDG 111), Arleigh Burke-class guided-missile destroyer which docked in Sembawang wharves in Singapore on Wednesday. AFP PHOTO
SINGAPORE: North Korea remains Washington’s “number one security concern” in Asia, the United States (US) Pacific Fleet commander said on Wednesday, despite simmering territorial disputes elsewhere in the region.