Stock Photo - Four NASA crewmembers will look to the deep seas this month to help prepare for journeys into deep space. They'll use an undersea laboratory to study what it may be like to live and work in other extreme environments, such as the Moon and Mars. Astronaut John Herrington (left) will lead the crew in an undersea mission July 12-21 that will field-test equipment and technology for the International Space Station (ISS) as part of the NASA Extreme Environment Mission Operations (NEEMO) project. Astronauts Doug Wheelock (right) and Nick Patrick (second right) will join Herrington, a veteran space flier and spacewalker; and biomedical engineer Tara Ruttley in the Aquarius Underwater Laboratory off the coast of Key Largo, Fla., for the mission. University of North Carolina at Wilmington (UNCW) systems engineers Craig Cooper (not pictured) and Joe March (not pictured) will work side by side with the NASA crew in Aquarius.