These safety features are designed to minimize the ... creating a suction force that can trap them underwater. This circumstance, known as drain entrapment, can result in injury or drowning ...

The mission's actual aim was to make sure ships that use these seas avoid clashes with other ships or underwater hazards.

Divers with the Sandusky Fire Department, as well as other support team members, recovered two pieces of underwater debris off a pier Tuesday that authorities said posed underwater hazards.

The mission was part of a larger study focused on improving vessel routing and avoiding potential underwater hazards. The main goal of the Alaskan Arctic Coast Port Access Route Study was to ...