Outer Continental Shelf National Center of Expertise (OCSNCOE)

JACK ST. MALO during offshore construction with attending OSV and Floatel VICTORY. C-ENFORCER underway with water cannons flowing. SEVAN LOUISIANA underway when initially entering the U.S. Gulf of Mexico. Platform GINA off the California coast. Block Island windfarm with attending CTV. SPARTAN 151 dockside in Seward, AK.

OCSNCOE Site Menu

Additional OCS & Coast Guard-Related Info Menu

Vessels involved in or supporting minerals-based OCS Activities (e.g. oil, gas and sulphur)

Please use the menu to the left or the links provided below to learn about the various types vessels that support offshore mineral and energy activities and the regulations, policy and guidance that govern the oversight of these vessels:

○ Types of Offshore Supply Vessels (OSVs)

○ Regulatory history related to OSVs

○ Regulations, Policy and Guidance

○ Frequently asked Questions (FAQs)

The U.S. Department of Defense is committed to making its electronic and information technologies accessible to individuals with disabilities in accordance with Section 508 of the Rehabilitation Act (29 U.S.C. 794d), as amended in 1998. DoD websites use the WCAG 2.0 AA accessibility standard.

For persons with disabilities experiencing difficulties accessing content on a particular website, please use the form DoD Section 508 Form. In this form, please indicate the nature of your accessibility issue/problem and your contact information so we can address your issue or question. If your issue involves log in access, password recovery, or other technical issues, contact the administrator for the website in question, or your local helpdesk.