XH 75D
The XH-75D, also referred to as the "XH Shark," is an alleged anti-gravity helicopter described in the whistleblower testimony of Colonel Steve Wilson as designed by Teledyne Ryan's San Diego division. Wilson claimed this craft was assigned to Delta 4/NRO for UFO crash retrieval operations. He produced a hand-drawn schematic of the vehicle in 1997 depicting a dual-rotor helicopter design.
| Also known as | XH Shark |
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No confirmed documentation of the XH-75D exists beyond Wilson's testimony and drawing. UAP Gerb notes that Wilson's 1997 schematic bears a striking visual resemblance to Lockheed subsidiary Sikorsky's 2019 Raider X concept helicopter — a "agile, survivable compound co-axial helicopter" designed for peer/near-peer conflict environments in extreme conditions. Wilson's design predated the Raider X by 22 years, though the connection remains speculative in the absence of hard evidence.
The intended application of any onboard anti-gravity system was never elaborated upon in Wilson's testimony.