Swimmers Raul Martinez (front) and Mike Skowronski battled rough seas while attaching the lift line to Alvin during recovery to the research vessel Atlantis Monday. (Photo by Chris Linder, Woods Hole Oceanographic Institution)
Engineer Rick Sanger of the Alvin Operations Group waits for scientists and pilot to emerge after Monday’s dive in the Gulf of Mexico. (Photo by Chris Linder, Woods Hole Oceanographic Institution)
Back on deck after his dive to the bottom of the Gulf of Mexico, Woods Hole Oceanographic Institution scientist Chris German is surrounded by eager scientists (and one journalist) as he describes what he saw and how the sub performed. (Photo by Chris Linder, Woods Hole Oceanographic Institution)
Alvin Pilot Bruce Strickrott grabs a cup of coffee after his dive Monday and discusses how it went with the expedition’s chief scientist, Peter Girguis of Harvard University. (Photo by Chris Linder, Woods Hole Oceanographic Institution)
Alvin pilot Bruce Strickrott tested the the sub's newly reconfigured manipulator arms by collecting a rock for California Institute of Technology graduate student Jeff Marlow, who split it open to find it full of organisms. (Photo by Chris Linder, Woods Hole Oceanographic Institution)
Tan Chunyang, an engineer from the University of Minnesota, was all smiles as he retrieved his lab’s instrument, which was successfully used on Monday’s Alvin dive. (Photo by Chris Linder, Woods Hole Oceanographic Institution)
Shortly after Monday’s dive, Alvin pilot Bob Waters was already hard at work preparing the sub for the next dive. (Photo by Chris Linder, Woods Hole Oceanographic Institution)
University of Delaware scientist George Luther (back) and UD graduate student Dan Macdonald prepare an instrument from their lab for Tuesday's dive. (Photo by Chris Linder, Woods Hole Oceanographic Institution)