The History of U.S. Submarine Chasers in the Great War

The Subchaser Archives is a naval history collection devoted to the 110' submarine chasers of the Great War and the men who served on them, primarily covering 1917 to 1919.

Archives Notes: The February, 2018 issue of the Subchaser Archives Notes is now online.

Hunters of the Steel Sharks - bookHunters of the Steel Sharks: The Submarine Chasers of WWI

The history of the submarine chasers of the Great War, extensively illustrated with period photographs and diagrams. An up-close account of the early days of ASW based on rare, unpublished documents. Softcover, 218 pages. Available on

Overview of Materials

The Chasers

Profiles of individual chasers, a large collection of chaser photographs arranged by hull number, photo collections and sets, crew information and crew photos.

Visit the Chasers section.

Tactics & Equipment

Submarine pursuit and attack tactics, chaser engines, chaser armament, and other devices indluding radio equipment and navigation tools.

Visit the Tactics and Equipment section.

Subchaser Stories

First-hand accounts of service on chasers, unpublished typescripts and journal entries, and the text of Hilary Chambers' book, United States Submarine Chasers.

Visit the Subchaser Stories section.

Chaser Models

Information and diagrams on hull design and paint scheme, a collection of close-aboard photographs, model kit descriptions, and a showcase of chaser models.

Visit the Chaser Models section.

Document Archives

Scanned images, transcriptions and digital photographs of original, primary source documents pertaining to WWI submarine chasers.

Visit the Document Archives section.

Monthly Newsletter

The Subchaser Archives Notes is the monthly online newsletter of the Subchaser Archives. View newsletter issues, and/or sign up to receive an email notification each month when the latest issue is posted.

Visit the Monthly Newsletter Section.


Book reviews, web site links, and links to museums and archives.

Visit the Resources section.