President Donald Trump has been briefed Friday on an F-15 fighter jet that went down over Iran, Fox News has learned.

The Islamic Revolutionary Guard Corps (IRGC) and state media claimed to have shot down a U.S. fighter jet over central Iran, specifically in the mountainous Kohgiluyeh and Boyer-Ahmad province.

Initial Iranian reports claimed the aircraft was an F-35 Lightning II stealth fighter. However, subsequent photos of wreckage released by Iranian media suggest the aircraft may be an F-15E Strike Eagle, likely from the 494th Fighter Squadron based at RAF Lakenheath.

Promotional footage of the F-15EX in action. (U.S. Air Force)

U.S. officials for weeks have insisted the U.S. and Israel have “complete control over Iranian skies,” and recently sent the slower, non-stealthy B-52 bombers into Iran, underscoring how confident they were that Iranian airpower had been nearly eliminated. 

“We are in this military operation … for 32 days,” Trump said in an address Wednesday. “And the country has been eviscerated and essentially is really no longer a threat.”

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“They have no anti-aircraft equipment,” Trump said. “Their radar is 100% annihilated. We are unstoppable.” 

Aviation experts say the aircraft seen in the circulating footage appears consistent with an F-15 based on several distinctive features, including its twin vertical tails, wide fuselage, and dual-engine configuration. The F-15s widely spaced engine intakes and rectangular air inlets are also key identifiers that distinguish it from other U.S. fighter jets.

This is a breaking news story and will be updated.