Julian GrebfellJulian Grenfell has 4,500 hours flying Royal Air Force (RAF) Vulcan B2s, and held several Electronic Warfare (EW) appointments in the RAF. Following his time in the RAF, Julian spent 35 years in the defence industry as an aero systems engineer, matheatician, and scientist, and worked for several major UK defence companies, finally running his own EW consultancy company. Read More Read Less