Hong Kong (CNN) The United States Air Force has dispatched top-of-the-line F-22 stealth fighters to Qatar for the first time as it beefs up its forces in the Middle East amid escalating tensions with Iran.

A statement and photos from US Air Forces Central Command said the stealth jets arrived at Al Udeid Air Base in Qatar on Thursday. The Air Force did not give the total number of F-22s deployed, but a handout picture showed at least five the warplanes over the base.

"These aircraft are deployed to Qatar for the first time in order to defend American forces and interests in the US Central Command area of responsibility," the Air Force said.

The F-22 movement comes a week after an Iranian surface-to-air missile shot down a US drone over the Strait of Hormuz. Iran said the drone was in its airspace, but Washington claims it was over international waters.

US Air Force F-22 Raptors arrive at Al Udeid Air Base, Qatar, June 27, 2019.

Defense analyst Peter Layton, a former Australian Air Force officer now with the Griffith Asia Institute, says the likely mission of the F-22s in the event of full-scale hostilities with Iran would be targeting Tehran's surface-to-air missile batteries, especially the S-300 system, its best air defense.

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