This is a Message Board Post that is gatewayed to this mailing list. Classification: Query Message Board URL: http://boards.ancestry.com/mbexec/msg/rw/XZ.2ADE/1417.2 Message Board Post: Lori In 1911 EB established the New London Ship and Engine Co in Groton,CT to Manufacture diesel engines,but submarine production did not begin there until 1925, when it began construction on four submarines for Peru.