![Fly-through movie along the Mariana Back-arc, showing what the seafloor looks like, colored depending on depth (purple is deepest, red is shallowest, green are islands above sea-level). The data are five times vertically exaggerated.](http://schmidtocean.org/wp-content/uploads/screenshotofmarianabackarc-320x200.png)
shallowest, green are islands above sea-level). The data are five times vertically exaggerated.Susan G. Merle
The first week in Guam was full of challenges, ranging from a Typhoon weather delay to trouble-shooting the Sentry Autonomous Underwater Vehicle. However, the Hydrothermal Hunt is on at full steam. Chief Scientist Joe Resing, Co-Chief Bill Chadwick, and Lead Marine Technician Colleen Peter give insight to the process of beginning a world-class research cruise above the Mariana Trough and surroundings.