Official U.S. Marine Corps documents, publications, histories, personal papers, and other historical references from Marine Corps University.

History and information regarding the revisions in the enlisted Marine Corps rank structure of 1958 and effective on 1 January, 1959--and still in effect at this time (1999).

Links to Marine history sites.

An explanation of the Old Corps.

Col Peter Ortiz USMC assigned to duties with the OSS WWII.

The little known history of the U.S. Marines protecting the U.S. Mail during the 1920s.

Listing of forums and mailing lists on many military topics.

A history of the Marine enlisted ranks from 1798 through 1958.

Biographical sketch including his wartime service, photographs of him and his Arlington Cemetery tombstone, map, and interactive visitor comments from Find A Grave.

Excerpt From oral history of Pharmacist's Mate First Class, Louis Ortega With The Marines at Guadalcanal.