20 Dangerous Artifacts Pulled from Ocean Wrecks

Depth charges were the primary weapon for hunting submarines in both world wars. These “ash cans” were designed to explode at a certain depth, and their firing mechanisms were built to be reliable. On wrecks like the German submarine U-110, which sank in 1941, depth charges and their mortars still exist. After decades of corrosion, those once-reliable triggers become dangerously unpredictable and shock-sensitive.