Speaking on a visit to an Airbus plant in Stevenage, Sir Keir welcomed German commitments to tackling people-smuggling gangs.

Germany first started testing submarines in 1851, and by the end of WWI, had built some 334 U-boats (with another 226 under construction). They were vastly superior to U.S. subs.

During World War I, Germany’s U-boats engaged unrestricted submarine warfare, devastating attacks on British ships notably the Lusitania. Though first suspended, ...

Germany's U-505 submarine was the 1st warship captured by the US Navy in over a century and top secret during World War II. See photos of the inside.

Lt. Cmdr. Maurice Jester was awarded the Navy Cross for sinking a German U-boat. (U.S. Coast Guard) On May 8, Icarus left Staten Island, New York, for Key West, Florida.