Project Habbakuk: Britain's secret attempt to build an ice warship
The Capture of U-505: The US Navy's controversial Enigma raid, Atlantic Ocean 1944: Raid Mark Lardas Osprey Publishing
What the Grieving Orca Tells Us - The Atlantic
Submarine Photo Index
Captured u boat hi-res stock photography and images - Alamy
Best Games That Let You Build A Ship
Captured u boat hi-res stock photography and images - Alamy
U-boat, German Submarine Warfare in WWI & WWII
Something Was Badly Wrong': When Washington Realized Russia Was Actually Invading Ukraine - POLITICO
Totally & utterly fascinating images of the US capturing U-Boat 505, incredible pictures., The Vintage News
The Story Behind the Famous Kiss Naval History Magazine - August 2012 Volume 26, Number 4
