The United States has not recognised China's newly declared territory over disputed islands situated in the East China Sea. This is apparently true after two US bombers flew through China's air zone on Tuesday as part of their training mission across the Pacific.

Just few days following China's announcement of a greater military control over the group of islands despite Japan's firm stance not to relinquish its claim over it, two B-52 bombers took off from the United States base in Guam and flew through this area for roughly an hour.

The United States confirmed they have sent their aircrafts to China air defense zone, but insisted these B-52 bombers were unarmed and just conducting training mission across the Pacific region.

"The two unarmed US B-52 bombers took off from their home base in Guam and flew through China's newly designated air defense zone, then returned to base, U.S. officials said. The bombers were in the zone for less than an hour, thundering across the Pacific skies during midday there, the officials said, adding that the aircraft encountered no problems," the Associated Press reported via Philippine Inquirer.

Several Chinese government loyalists believed United States' show of force was done to show its firm stance not to recognize China's latest territorial claim. Other Chinese netizens also criticised Beijing for being weak despite United States' non-abeyance.

Political analysts believe China doesn't have the intention to assert their claim over these territories by force. On the other hand, China's foreign ministry spokesman Qin Gang stressed that its military is very much capable of defending their expanded military zone.

"The Chinese government has the will and ability to defend our national sovereignty and security," Qin said during the press conference.

"We also have the ability to exercise effective control over the East Sea Air Defense Identification Zone," (ADIZ) he added.

The United States said the flights were long-planned, but this mission caught fire on the heels of China's acknowledgement of its might over the islands being controlled by Japan, which is one of U.S. strongest allies.

State Department spokeswoman Jen Psaki said China's attempt to change the status quo in East China Sea could lead to misunderstandings between both countries, and perhaps, trigger confrontations in the future.

"This will raise regional tensions and increase the risk of miscalculation, confrontation and accidents," she told reporters.