Commando officer Capt. Roger ‘Jumbo’ Courtney formed the now famous Special Boat Section (SBS) in 1940. Forerunner of today’s Special Boat Service, the unit used folding kayaks called folboats for small-scale raids.
These things:
Courtney wrote ‘The Compleat Folbotist’ [sic] in 1941, outlining the character of the kind of man suitable for this specialist task. Courtesy of the National Army Museum:
