A trio of US Navy airships on convoy duty patrols above seemingly placid Atlantic waters.
Waves crash over the side of another surrendered U-boat as hard-luck German sailors await pickup by the destroyer USS Fanning (DD-385).
Surrounded by American naval officers, a U-boat commander translates instructions to his crewmen in the shadow of the brig that will soon be his home. His submarine had fallen victim to the US Coast Guard cutter Icarus.
After 1943, fewer and fewer German U-boats caught glimpses of target-rich Allied convoys. Increasingly unfettered, long columns of cargo ships plowed their way safely to Europe and beyond. This one was lugging supplies across the Pacific.
Men of the 21st Signal Loft release pigeons in March 1943 (National Archives)
Pigeons in a mobile loft during training in the Carolinas (National Archives)
The Kaiser, captured from WWI Germans and used for WWII breeding (National Archives)
A pigeon in a sling ready for a jump with a US paratrooper (National Archives)
A paratrooper releases a pigeon in training for the Normandy invasion (National Archives)