SC 399, SC 400 and SC 401, three of the U.S.-built submarine chasers that were sold to France. Photograph of submarine chasers SC 399, SC 400 and SC 401. Thanks to Alan Phenix for sending in the image. Book traversal links for Hull Number: SC 400 ‹ Hull Numbers: 400 to 448 Up Hull Number: SC 401 ›