History of Marine Corps Operations in WWII. Oral history of Frank Caldwell, Iwo Jima survivor. Caldwell USN 135 alumnus, served n USS New Mexico, IUSS Concord, USS s-23, USS 266, USS Loggerhead and USS Greenfish. Took submarine officer's course in New London, CT. Attended NWC, 1953-1954. Served on Joint Chiefs of Staff, Joint Intelligence Group. Atteneded Fleet Schools, San Deigo. Served as COmmanding officer, Submarine Squadron Three, 1957.