OCEAN CITY -- A World War I-era submarine sent to the bottom of the sea in a bombing training mission in the 1930s was recently located on the ocean floor
Diving the UB88 Submarine: California's WWI Submarine
Divers find wreckage of experimental submarine built in 1907 in Connecticut, US news
German WWI submarine ID'd off England's coast
WWI Submarine Discovered Off Swedish Coast • Mares - Scuba Diving Blog
100 Years Ago, A German Sub Brought World War I To Cape Cod
Salvage firm says it found old submarine off Maryland coast
Bygone Maryland
This German WWI U-Boat Was Just Found Off The US Coast, Here's What We Know
12/10/2020, Salvage Team Discovers WWI-Era Submarine Off OC Coast
WWI Submarine Discovered Off Swedish Coast • Mares - Scuba Diving Blog