Editorial Reviews - Abandoned British Military Projects From the Publisher Chapters: Blue Streak, Cva-01, Audacious Class Aircraft Carrier, Bac Tsr-2, Project Habakkuk, Miles M.52, G3 Battlecruiser, Operational Requirement F.155, Armalite Ar-18, Em-2 Rifle, Saunders-Roe Sr.177, R.a.e. - Vickers Transonic Research Rocket, Vickers Vespa, Saunders-Roe Sr.53, Valiant Tank, Bristol Bullfinch, Tortoise Heavy Assault Tank, Flying Elephant, Lion Class Battleship, Saunders-Roe Sr.a/1, Miles M.20, Bristol Type 84 Bloodhound, Avro 730, Resurgam, N3 Class Battleship, Gloster E.1/44, Gloster F.9/37, Vickers Type 432, Blackburn B-54, Hawker Hotspur, Hms Incomparable, Baynes Bat, Vickers Windsor, Short Sarafand, Supermarine Nighthawk, Armstrong Whitworth Aw.681, Victory Bomber, Vickers Type 559, Bristol Braemar, Hawker Siddeley P.1154, Boulton Paul Bobolink, Bsa Welgun, Ad Scout, Austin-Ball A.f.b.1, Blackburn Firecrest, Vickers A1e1 Independent, Avro Pike, Black Prince, Blue Peacock, L64/65, Tog1, Westland-Hill Pterodactyl, Mark Vi, Birch Gun, Taden Gun, Esser-Barrat, Alecto, T14 Heavy Tank, Tog2, Larynx, Sterling Sar-87, Excelsior Tank, Blue Water, Baltic Project, Ordnance Qf 32 Pounder, Mcem 3 Submachine Gun, Caernarvon Tank. Excerpt: AD Scout The AD Scout (also known as the Sparrow ) was designed by Harris Booth of the British Admiralty 's Air Department as a fighter aircraft to defend Britain from Zeppelin bombers during World War I . The Scout was a decidedly unconventional aircraft - a biplane with a fuselage pod mounted on the upper wing. A twin-rudder tail was attached by four booms, and it was provided with an extremely narrow-track undercarriage. The primary armament was intended to be a 2-pounder recoilless Davis Gun , but this was never fitted. Four prototypes were ordered in 1915 and two each were built by Hewlett Synopsis Chapters: Blue Streak, Cva-01, Audacious Class Aircraft Carrier, Bac Tsr-2, Project Habakkuk, Miles M.52, G3 Battlecruiser, Ope