A key part of every dive: carefully closing the hatch before the sub goes in the water.

A key part of every dive: carefully closing the hatch before the sub goes in the water. Image courtesy of New Zealand-American Submarine Ring of Fire 2005 Exploration, NOAA Vents Program.

Related Links

New Zealand American Submarine Ring of Fire 2005

New Zealand American Submarine Ring of Fire 2005: April 14 Log

NOAA Ocean Explorer Gallery