Peter Jacobs served nearly 37 years in the RAF (1977-2013) as an air defence navigator, initially on the F4 Phantom and later on the Tornado F3\. He has written twenty books including Daring Raids of World War Two: Heroic Land, Sea and Air Attacks (2015); Bomber Command: Airfields of Lincolnshire (2016) and The RAF in 100 Objects (2017).