Check out the second video from one of our Student Opportunities participants, Jennifer Killinger.
![CTD being released into the water.](http://schmidtocean.org/wp-content/uploads/ctdinwater11-18-14markheckman-768x687.jpg)
She takes a look at how Mixing Up the Tropical Pacific scientists on board Falkor are collecting oceanographic data with the CTD using Yo-Yo and Tow-Yo techniques.