The Chukchi Cap is a large undersea ridge in the Arctic Ocean. The cap is normally ice-covered, year-round. The United States Coast Guard Cutter Healy has been sent on multiple missions to map the poorly explored ridge.
- National Oceanic & Atmospheric Administration. United States Explores the Seabed of the Arctic Ocean: to bolster its Claims to the North's Strategic Resources. Canadian American Strategic Review. Retrieved on 2007-09-18.
- Marie Darling, Donald Perovich. CRREL scientists complete Arctic voyage of discovery. United States Army Corps of Engineers. Retrieved on 2007-09-18.