Dear Mr. Montanez,
Thank you for posting your request on History Hub!
We searched the National Archives Catalog and located the Logbooks of U.S. Navy Ships and Stations, 1941 - 1983 in the Records of the Bureau of Naval Personnel (Record Group 24) that include the deck logs of the USS Leo (AKA-60) for August 30, 1944 through December 1950. Most of the logs for 1948 have been digitized and can be viewed online through the Catalog. Please note that the Catalog does not always list logs in chronological order. When viewing logs for each month, you may wish to click on the red PDF icon under the “Documents” heading. This will allow you to view the entire month’s logs as a single file. Once you have done so, you may use the blue download button to download the PDF. Due to the size of the files involved, it may take a little while for them to load in full. Please be patient. If you have any problems accessing these files, please email Catalog@nara.gov.
These remaining logs for 1948 and 1949 have not been digitized and are not available online. For more information about the non-digitized logs, please contact the National Archives at College Park - Textual Reference (RDT2) via email at email@example.com.
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The USS Leo (AKA-60) was what was called an attack cargo ship, which is what the hull designator AKA stands for. During wartime, AKAs acted as mobile warehouses for the Marines of the amphibious forces when they were conducting assault landings on the various islands in the Pacific. AKAs carried vehicles, rations, ammunition, medical supplies, tents, etc.—all the things needed to sustain the amphibious assault forces, and the ship carried the landing craft needed to get all that material ashore. The Leo participated in the Iwo Jima and Okinawa campaigns during World War II.
However, during the period your father served on board the Leo, the ship belonged to the Navy’s transport service, known as the Military Sea Transportation Service (MSTS) ( nowadays it is called the Military Sealift Command (MSC)). Leo was a part of the MSTS Pacific Division, which ran ships on cargo runs throughout the Pacific. The Leo would have provided needed supplies, materials, and vehicles to the various ports supplying American forces still deployed overseas, while also bringing back to the States or Pearl Harbor excess wartime materials no longer needed overseas. It was unexciting duty compared to the amphibious assault mission, but it was a vital service needed to meet the expanded U.S. military presence overseas in the wake of World War II.
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Thank you so much, my family appreciates this info.