Hawker-Siddeley Harrier GR.1, XV753, '53' of the Harrier Operational Conversion Unit, RAF, RAF Wittering, 1970. Early RAF Harrier GR.1/3s (8). Hawker-Siddeley Harrier GR.1A, XW745, 'Blue 27' of 233 Operational Conversion Unit, RAF, RAF Wittering, seen at RAF Woodford, 17 August, 1974.
