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Scottish Aviation Limited was an aircraft manufacturer based at Prestwick, Scotland. The company were founded in 1935. Originally a flying school operator, the company took on maintenance work in 1938. During WW2, Scottish Aviation was involved in aircraft fitting for the war effort. This included maintenance and conversion of the Consolidated Liberator bomber.

The factory building of Scottish Aviation, which still exists today, was formerly the Palace of Engineering at the 1938 Empire Exhibition in Bellahouston Park, Glasgow. The building was dismantled from its Glasgow site and reconstructed.

STOL - Pioneer, Twin Pioneer | Jetstream turboprop | Bulldog trainers.

In 1977 Scottish Aviation merged with the British Aircraft Corporation, Hawker Siddeley Aviation, and Hawker Siddeley Dynamics to form British Aerospace. Much of the former Scottish Aviation assets now belong to Spirit AeroSystems.

https://en.wikipedia.org/wiki/Scottish_Aviation .

The British aerospace industry has made many important contributions to the history of aircraft and was solely, or jointly, responsible for the development and production of the first aircraft with an enclosed cabin (the Avro Type F), the first jet aircraft to enter service for the Allies in World War II (the Gloster Meteor), the first commercial jet airliner to enter service (the de Havilland Comet), the first aircraft capable of supercruise (the English Electric Lightning), the first supersonic commercial jet airliner to enter service (the Aérospatiale-BAC Concorde), the first fixed-wing V/STOL combat aircraft to enter service (the Hawker Siddeley Harrier), the first twin-engined widebody commercial jet airliner (the Airbus A300), the first digital fly-by-wire commercial aircraft (the Airbus A320), and the largest commercial aircraft to enter service to date (the Airbus A380).

https://en.wikipedia.org/wiki/Aerospace_industry_in_the_United_Kingdom .

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British shadow factories were the outcome of the Shadow Scheme, a plan devised in 1935 and developed by the British Government in the buildup to World War II to try to meet the urgent need for more aircraft using technology transfer from the motor industry to implement additional manufacturing capacity.

The term 'shadow' was not intended to mean secrecy, but rather the protected environment they would receive by being staffed by all levels of skilled motor industry people alongside (in the shadow of) their own similar motor industry operations.

A directorate of Aeronautical Production was formed in March 1936 with responsibility for the manufacture of airframes as well as engines, associated equipment and armaments. The project was headed by Herbert Austin and developed by the Air Ministry under the internal project name of the Shadow Scheme. Sir Kingsley Wood took responsibility for the scheme in May 1938, on his appointment as Secretary of State for Air in place of Lord Swinton.

Many more factories were built as part of the dispersal scheme designed to reduce the risk of a total collapse of production if what would otherwise be a major facility were bombed. These were not shadow factories, though some now use that name believing shadow refers to attempts to achieve a level of secrecy.

https://en.wikipedia.org/wiki/British_shadow_factories .

https://disciplesofflight.com/supermarine-spitfire-shadow-factory-ww2/ .

Castle Bromwich, Spitfire factory
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0:00 Detroit
10:44 Arctic Convoys
19:54 Philippines Logistics
33:55 Old Men in Sailing Boats
41:35 Japanese Plan to Defend Japan
50:25 British Plan to Defend Britain
1:00:45 Best Weapons
1:07:20 Worst Weapons
1:17:18 Panzer vs. Sherman
1:29:34 P-51 vs. Spitfire
1:36:51 USA Insane Projects
1:45:02 British Insane Projects
1:55:22 Soviet Insane Projects
02:06:02 German Last Ditch Projects
2:16:42 Long Range Bombing
2:40:12 Switzerland
2:49:36 Comfortable Prison Camps
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3:09:29 Civilian Internment Camps the Front
3:18:21 Desert Logistics
3:38:14 How Humanity Rebuilt