14 - 29 Oct 2018 74 stations completed aboard RV Sally Ride San Diego to San Diego

9 - 24 Jun 2018 72 stations completed aboard RV Sally Ride San Diego to San Diego

5 - 27 Apr 2018 103 stations completed aboard NOAA Ship Bell M. Shimada San Diego to San Francisco

1 - 11 Feb 2018 45 stations completed aboard NOAA Ship Bell M. Shimada San Diego to San Francisco