Marine archeologist Dr. Kelly Monteleone, rear, manages hundreds of meters of green fiber optic cable from the aft deck of the Showtime fishing vessel while Sunfish chief technology officer Dr. Kristof Richmond finishes pre-dive testing on autonomous underwater vehicle SUNFISH during 2023 field work for the Our Submerged Past project. While SUNFISH can operate autonomously, the team uses the thin tether to connect the robot to a station on the boat where operators can remotely supervise missions and redirect it as necessary.