"We know what's going on and they're not anxious", said Lewis.
Throughout the mission, which lasted about 10 hours, the aircrews practiced intercept and formation training, Pacific Air Forces officials said, enabling them to enhance their combined capabilities and tactical skills while also strengthening the long-standing military-to-military relationships in the Indo-Asia-Pacific region.
"Well, as far as I know, especially regarding Filipinos in Guam, the embassies and consulates in general - including the one in Agana, Guam - have contingency plans which are regularly updated to enable them to respond to emergencies", Abella noted.
Guam serves as a major military base for the United States, with U.S. Air Force and Navy installations occupying some 29 percent of the island's total land area.
The mother of a local airman stationed in Guam said she was anxious when she first heard about the threats made by the North Korean Army, The Journal-News reported.
As for a contingency plan, de Borja said it would be evacuation.
On Thursday, ACTS OFW Party-list Rep. John Bertiz urged the government to prepare response measures in case tensions between the two countries continue to escalate.
"I'm pro military buildup", said resident Gus Aflague, 60, whose grandfather and brother both joined the U.S. Navy.
Japan lies only about 620 miles to the east of North Korea, which has conducted numerous missile tests this year.
I am working with Homeland Security, the Rear Admiral, and the United States to ensure our safety. Chamorros are the indigenous people of Guam. An attack or threat to Guam is a threat or attack on the United States.