 In 2017 the vessel was bought by Caladan Oceanic LLC and prepared to serve as a mother ship for the manned deep-ocean research submersible DSV "Limiting Factor".The vessel was named DSSV "Pressure Drop" because the financial sponsor Victor Vescovo admires the ship names found in the Culture novels written by Iain M. Banks.Beginning in December 2018, the Pressure Drop began execution of the Five Deeps Expedition to support a manned submersible visit to the bottom of all five of the world's oceans.