First North Korea threatened the U.S. territory of Guam, but is China now doing the same?

In this May 9, 2016 file photo, North Korean leader Kim Jong Un listens during the party congress in Pyongyang, North Korea. Since North Korea’s latest nuclear test, Pyongyang and Seoul have been openly trading threats of decapitation strikes and annihilating capitals populated by millions of civilians. And the talk of how each side might throw that first pre-emptive punch has become more detailed than ever. (AP Photo/Wong Maye-E, File)

The U.S. territory of Guam has already been mentioned a couple of times by North Korea as a possible missile strike target as tensions rise between America and the rogue nation, but a new report that China has practiced bombing runs against the island is raising new concerns.

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U.S. military officials told Defense News on Tuesday that China flew bomber jets near Guam and practiced bombing runs. The officials also said the Chinese bombers have also flown near Hawaii.

Officials speculated that this could be a move by China to “declare the Nine-Dash line as theirs,” in an effort to enforce that the South China Sea is fully under Chinese control.

While it was said that a conflict with China is not imminent, there is some worry of an attack by air on Guam if China moves to assert its control in the region.

Chairman of the Joint Chiefs of Staff Gen. Joseph Dunford said the U.S. views itself as “a Pacific power” and that America’s “future economic prosperity is inextricably linked to our security and political relationships in the region.”

“If we find ourselves in conflict out there we will be under air attack,” the official added.

Earlier in October, the U.S. Navy announced that the USS Ronald Reagan aircraft carrier would be involved in a joint drill with South Korea and the U.S. territory of Guam was singled out as a possible target of North Korea.

This wasn’t the first time Guam was mentioned as a possible target.

In response to President Donald Trump’s words in August that North Korea would see “fire and fury like the world has never seen” if it continued down the path to nuclear power and aggression, an army official speaking through North Korean state-run media KCNA named Guam as a potential target with intermediate-range ballistic missiles (IRBMs).

The official said U.S. military bases there like the Andersen Air Force Base were in North Korea’s sights.

RELATED: North Korea’s nuclear test site may have collapsed, killed hundreds

The U.S. does have nuclear-capable bombers in Guam.

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