Guam's top homeland security official says there's little to no chance that a North Korean missile could make it past the island's defenses.

George Charfauros stressed on Wednesday that Guam is protected by the Terminal High Altitude Area Defense (THAAD) missile system, which is permanently stationed at Andersen Air Force Base on the island.

"There’s .00001 percent chance of that missile getting through that layer," Charfauros told reporters at a news conference, according to Pacific Daily News.

Guam's governor, Eddie Calvo (R), agreed, telling residents of the U.S. territory not to panic.

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"This is not the time to panic,” Calvo said Wednesday. “There have been many statements out there that have been made by a very bellicose leader, but at this point there’s been no change in the security situation here on Guam."

"I’ve gotten assurances from all levels, both local command and Washington, D.C., that this island will be defended,” Calvo added.

North Korea's state media raised the possibility of an attack on Guam after President Trump warned Pyongyang of "fire and fury" that awaits it if its leader, Kim Jong Un, continues to threaten the United States. Guam, which lies due north of Australia and Papua New Guinea, is the nearest U.S. territory to North Korea.

“He has been very threatening beyond a normal state, and as I said they will be met with fire, fury and, frankly, power, the likes of which this world has never seen before,” Trump said Tuesday.