The ace up the sleeve of the Dieppe raiders would surely be the tanks of 14th Canadian Army Tank Regiment (The Calgary Regiment). However, as Mark W. Tonner, CD (retd.) explains, the tankers were unable to breach the defences.

’Buttercup’, one of five tanks fitted with a BTLD. After laying its chespaling, and breaching the seawall, the BTLD was jettisoned. Later, Buttercup returned to the beach, taking up the position depicted.
(ALL IMAGES COURTESY OF THE AUTHOR UNLESS OTHERWISE STATED)
THE CALGARY REGIMENT