Aborted attempt to rescue US Embassy hostages from Tehran, which met with tragedy at Desert One, while forming up. For full details, see here Units Dates UnitModels 24apr80 to 25apr80 HM-16 US Navy RH-53DNot all models shown may have taken part in the Operation Individual helicopters Model IDs Sikorsky RH-53D 158686 w/o 158693 158744 w/o 158750 w/o 158753 w/o 158758 w/o 158761 w/o Boeing-Vertol CH-47C Chinook 68-15834 Ships ClassesShipsAircraft Carrier (Nuclear Powered) Nimitz class CVN-68 USS Nimitz, Assault Carrier Iwo Jima class LPH-11 USS New Orleans,