Sep 11, 2019
A proud Sub-Lieutenant John Britnell triumphantly raises the skull and crossbones on X24 after its daring attack on Bergen harbour in September 1944. Unfortunately the wind wasn’t strong enough to help show off the flag to its best effect, the sign of a merchant vessel on the flag denoting a successful attack. © Trustees of the Royal Navy Submarine Museum
Photo and caption featured in The Real X-Men: The Heroic Story of the Underwater War 1942–1945 by Robert Lyman