Commander Nathan Gray - an elite test pilot serving in the Fleet Air Arm's is currently the UK's top test pilot. He has completed 140 combat missions and is one of the most decorated British military aviators currently flying today - our country's very own Maverick. 'Hazard Spectrum' is the story of his service flying in some of the world's harshest combat zones, flying the deadliest planes technology has thus far created and coming out the other end in one piece.