Flight accident investigators Michael DiBello and Christopher Nutter in the cockpit of an Electra 10-E. Photo credit: Liz Smith

Flight accident investigators Michael DiBello and Christopher Nutter look over the modified Electra 10-E. Photo credit: Liz Smith

The CATALYST AUV engineers take a look at Ginger's thruster. Photo Credit: Stephani Gordon

The film crew jumps in the RHIB to get some underwater shots of Ginger during a recovery. Photo Credit: Mike Kasic

AUV Engineer Greg Packard works on a technical issue. Photo Credit: Liz Smith

Sam Guse records AUV locations at depth during a sortie. Photo Credit: Liz Smith

The CAT 2 team gathers to view the first images from the bottom of Target #4. Photo Credit: Liz Smith

Greg Packard and Andy Sherrell look through new photos of a possible target. Photo Credit: Liz Smith

Woods Hole AUV engineer, Brennan Phillips. Photo Credit: Liz Smith

Brennan Phillips and Frank Lombardo work on turning Mary Ann over for her next sorie. Photo Credit: Liz Smith

Bob "Yogi" Elder monitors the vehicle's systems during pre-flight to make sure she's ready to go for her next dive. Photo Credit: Liz Smith

The AUV day crew: Mark Dennett, Sam Guse, Frank Lombardo, Yogi Elder, and Brennan Phillips. Photo Credit: Liz Smith

AUV engineers Greg Packard and Brennan Phillips take a look at Ginger's tail section after a failed mission. Photo credit: Liz Smith

The CATALYST 2 team, leg two. Photo Credit: Liz Smith

Sonar analyst, Steve Debagian. Photo Credit: Liz Smith

The WHOI AUV team takes a closer look at Mary Ann's thruster housing. Photo Credit: Ian Kellett

Videographers Ian Kellett and Stephani Gordon. Photo Credit: Mike Kasic

HBOI's Gregg Diffendale and researcher Dave Wheeldon enjoying their ice cream cones. Photo Credit: Liz Smith

Research Dave Wheeldon with an organized trawl net catch. Photo Credit: Liz Smith

Dave Wheeldon measures and records a batch of trawl net catches. Photo Credit: Liz Smith

Dave Wheeldon and Alan Goldizen take a closer look at their specimens through a microscope in the wet lab. Photo Credit: Liz Smith

UQ researchers Dave Wheeldon and Alan Goldizen. Photo Credit: Liz Smith

WHOI AUV team member, Neil McPhee. Photo Credit: Liz Smith

R/V Seward Johnson crew member, Bob McMillen, operates the trawl net winch. Photo Credit: Liz Smith

University of Queensland researchers Dave Wheeldon and Alan Goldizen monitor the trawl net from the lab while it is at depth. Photo Credit: Liz Smith

Science Team lead Adrian Flynn collects and preserves specimens in the lab. Photo Credit: Stephani Gordon

Adrian Flynn organizes a trawl net catch and takes notes on the types and number of different organisms. Photo Credit: Stephani Gordon