John will highlight the major developments in the field of Air Navigation from the earliest days of aviation to the present day as viewed from his perspective as an RAF Navigator on Vulcan B2s and Nimrod maritime patrol aircraft, and a graduate of the RAF General Duties Aerosystems Course.

In an RAF career spanning 37 years, John served as a frontline navigator, worked in research and development, and was an MOD staff officer.  Subsequently he spent almost seven years with the Defence Science and Technology Laboratory as a programme manager and analyst working in the field of reconnaissance.