Michael G. Welham is a former Royal Marines Commando (specialist skills: diving, canoeing and parachuting), and subsequently a member of 21 SAS and Naval Gunfire Support 95 Commando RAR. He has some 40 years of diving experience, both military and civilian. He is the author of Combat Frogmen (with Lord Paddy Ashdown), Naval Elite Units, Exploring the Deep and Frogmen Spy.
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