US Navy's Lockheed Martin F-35B stealth fighter has completed in-flight firing trials of its external under fuselage mounted 25 mm gun.
The General Dynamics GAU-22/A gun is attached externally on a centerline station in a conformal pod and is intended to be used during close-range ground air support missions.
The final airborne gun fire testing took place on May 8, 2017 at the Naval Air
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