Units Dates UnitModels 31may64 to 01sep64 829 NAS Fleet Air Arm WaspWhirlwindWessex aug64 1310 Flt Royal Air Force WhirlwindNot all models shown may have taken part in the Operation Individual helicopters Model IDs Westland Wessex HAS.1 XM923 Ships ClassesShipsGuided-Missile Destroyer County class D02 HMS Devonshire,