A group of divers have explored the wreckage of a WW1-era Royal Navy submarine – 100 years after it sank. Dominic Robinson, 54, and a team of 10 dived 74m down to check out the century-old HMS M1 sub ...

The U.S. Navy's use of pigeons began decades before World War II, but the birds found their most critical mission during the war—flying messages from submarine-hunting blimps during a time when radio ...