Supporting Research in Scientific Ocean Drilling

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Drilling Proposals

Proposals for U.S. drilling expeditions should be submitted to the NSF U.S. Sub-Seafloor Sampling Program. The Scientific Ocean Drilling Coordination Office (SODCO) is available to assist with proposals.

Recent Expedition

The onshore phase of IODP3-NSF Expedition 501 (New England Shelf Hydrogeology) concluded on February 11, 2026. There are currently no U.S. drilling expeditions scheduled.

Access the FOCUS Workshop Report

The FOCUS Workshop effort was a vehicle for the U.S. community to begin planning immediately for post-2024 sub-seafloor sampling activities. The workshop report is now available.