It’s been a productive season. In this issue, TRICUSO meets its first ship of opportunity to trial the updated Ocean Pact instrument, we learn about advancements in acoustic sensor development and an acceleration in SOCONET towards international governance, TRICUSO is represented at the WMO G3W Observations Task Team Meeting, a recap on recent webinars, outreach and more.

The inaugural newsletter features stories from the Kick Off Meeting in Southampton, UK in January to SubCtech and GEOMAR lab visits at the August Ocean Race Europe event in Kiel, Germany as well as a recap of the Ocean Summit, a welcome note from project coordinator Richard Sanders, TRICUSO’s first policy brief and more.