Information herein compiled from a variety of sources:

Aeromilitaria, Air-Britain, various issues.

A Vertical Empire, C.N. Hill, Imperial College Press, 2000

Illustrated Encyclopaedia of Rockets and Missiles, Bill Gunston, Salamander, 1979

Cold War, Hot Science, Edited by Bud and Gummel,

Development of Guided Weapons in the UK, S.R. Twigge,

RAF Nuclear Deterrent Forces, Humphrey Wynn, The Stationery Office, 1992.

Watching the Skies, Jack Gough, The Stationery Office,

Public Record Office, Various files.

Janes All the World's Aircraft, Janes Publishing, Various editions.

British Research and Development Aircraft, Ray Sturtivant, Haynes.

British Secret Projects Jet Fighters since 1950, Tony Buttler, Midland Counties, 2000.

World Encyclopaedia of Aero Engines, Bill Gunston, PSL, 1999.

Rolls-Royce Aero Engines. Bill Gunston, PSL, 1989.

Shadow to Shadow, A history of Bristol Aerojet (BAJ), BAJ Coatings Ltd, Banwell, 1993

Bristol Ramjet information courtesy of Mr Roy Hawkins, RRHT Bristol.

Britain and the H-bomb, Lorna Arnold, Palgrave Press, 2001

Anti-Aircraft Artillery, Ian V. Hogg, Crowood Press, 2002

Thanks to: Dick Barrett, Brian Burnell, Tony Buttler, Joe Cherrie, Steve Clifton, Clive Elliott, Dave Forster, Roy Hawkins, Dr Paul Henney, David Mackenzie, Richard Moore, Dennis Poole, Mike Pryce, Bill Rose, Jerry Stocker, Ray Sturtivant, Richard Vernon.