The DSRV dives, conducts a sonar search, and attaches to the disabled submarine’s hatch. DSRVs can embark up to 24 personnel for transfer to the "mother" vessel. The DSRV also has an arm to ...

To decrease the amount of time required for replenishment and maintenance, Ohio-class submarines have three large-diameter logistics hatches that ... The Ohio-class design allows the submarines ...

The Oscar II’s double-hulled design is divided into ten primary compartments. Additionally, this class of submarines is fitted ... are each covered by six hatches on each side of the sail ...

Uncovered Hatches: In a construction mishap reminiscent of past U.S. incidents, the lead vessel of China’s new nuclear-powered attack submarine class reportedly sank while docked, echoing the ...