NASA Adds Two F-15 Aircraft to Support Supersonic Flight Research

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Oregon Air National Guard ground crew guides one of the NASA’s newest F-15 aircraft onto the ramp at the agency’s Armstrong Flight Research Center in Edwards, California, on Monday, Dec. 22, 2025. The retired U.S. Air Force F-15s come from the Oregon Air National Guard’s 173rd Fighter Wing and will transition from military service to support NASA’s flight research fleet.

NASA/Christopher LC Clark