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c.1930 Marshall of Cambridge began working with aircraft; this became one of the main subsidiaries
1966 Marshall of Cambridge (Engineering) Ltd of Airport Works, offered services for private and executive aircraft operator at Cambridge Air Centre
1966 Became the UK designated company for the RAF C-130K Hercules; painted and fitted out the aircraft for RAF service.
1979 Involved with Lockheed in stretching 30 C-130Ks by 15 feet
1986 Marshall was the Technical Centre for the R.A.F. Lockheed Hercules and TriStar aircraft and the European Service Centre and Design Authority for Gulfstream and Citation aircraft and was responsible for the conversion of the TriStar aircraft to the R.A.F. strategic tanker/freighter roles.
1993 Marshall of Cambridge Aerospace
1993 Marshall Aerospace used an RAF Lockheed C-130H Hercules to test-fly the propeller and engine combination selected for the projected C-130J.