Overview
- The National Science Foundation said on Thursday, June 18, 2026, that it will stop further removals of Ocean Observatories Initiative instruments and pause the descoping process.
- NSF announced it will redeploy equipment already taken out of the water, continue routine operations and maintenance, and convene an expert panel to advise on the network’s future.
- Scientists and lawmakers had sharply objected to the May 21 directive to remove most of the system’s roughly 900 subsurface sensors, warning it would harm research, forecasting and coastal safety.
- The OOI, built for about $386 million, supplies real‑time subsurface data used to study ocean circulation, early signs of El Niño, marine heat waves and local chemistry changes that affect fisheries.
- Uncertainty remains over the timing and completeness of redeployments, the fate of instruments already recovered, and how funding and governance decisions will be resolved under review or possible congressional oversight.