That Harpoon Test Used an F-15SA, Not an EX

The Photograph Shows an F-15SA Test Aircraft ✈️

The viral caption calls the aircraft an F-15EX, but the official test image identifies it as an F-15 carrying Harpoon during a January 16 test, and detailed reporting specifies Boeing’s instrumented F-15SA development aircraft. The family resemblance is real; the model designation in the repost is not. Aircraft identification remains a hobby in which one letter can start a small war.

Harpoon’s Update Replaces Obsolete Components 🧭

The flight supported the Harpoon Block II Update obsolescence programme, intended to replace ageing components while preserving the weapon’s anti-ship capability. Harpoon is an all-weather, over-the-horizon missile that follows a low sea-skimming cruise profile with active radar guidance. “Update” here is not decorative software language; it is how a long-serving weapon avoids becoming a museum exhibit with a warhead.

Point Mugu Hosted the Final Planned Flight 🧪

The January mission took place across facilities including the Point Mugu Sea Range off California. It was described as the third and final planned flight test of the update, demonstrating the modified missile in an air-launched scenario. Integration requires far more than attaching hardware under a wing: the aircraft, stores system, targeting data and safe-release sequence must all cooperate at speed. Hope is not an approved interface protocol.

The F-15EX Still Has a Different Mission Path 🦅

The correction does not make the newer Eagle uninteresting. Boeing describes the F-15EX as a long-range, high-payload fighter with open mission systems and extensive weapons capacity. But this photograph documents an F-15SA supporting a Navy missile update, not proof that Harpoon has been operationally fielded on the EX. The original repost supplied the ocean drama; the test record supplies the tail number’s family tree.

Sources

• Original image
• Original Reddit discussion
• U.S. Navy DVIDS test image
• The Aviationist test report
• Boeing Harpoon history

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