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Dear GP Cox,
Thank you for posting your request to the History Hub!
A good place for you to start is Record Group 407, Records of the Adjutant General's Office, 1917-. A blog post by archivist Kylene Woods says "The first record group (RG) to look in for World War II unit records is RG 407, Records of the Adjutant General’s Office. WWII army unit records will vary in terms of content and completeness for each unit. Generally, larger units will have more documentation than smaller ones. Types of records that can be found include: after action reports, general orders, daily journals, staff reports (ex: S-2 reports), unit histories, etc."
The guide to this record group is on the National Archives site [https://www.archives.gov/research/guide-fed-records/groups/407.html#407.4]. RG 407 is a large record group and is in different National Archives locations, which are listed here: https://www.archives.gov/research/guide-fed-records/index-numeric/401-to-500.html. The bulk of the records are located at the National Archives in College Park, MD. For access to these records, please contact the National Archives at College Park - Textual Reference (RDT2) via email at firstname.lastname@example.org and provide the information in this reply.
The Dwight D. Eisenhower Library holds the U.S. Army Unit Records collection, 1917-1950. The index to this collection shows some records dealing with the 478th Battalion [https://www.eisenhower.archives.gov/research/finding_aids/pdf/US_Army_Unit_Records_Index.pdf].
We wish you all the best with your research!
I apologize for such a delay in thanking you for your assistance, I'm am still in the learning stage of getting around this site. You answered me when so many other avenues of research and so-called historians could not. I thank you very much.
1 of 1 people found this helpful
Hello GP Cox,
Have done some searching, you will find unit history at the Eisenhower Library for this particular unit. Also from my own research I know that it is possible that this Unit was part of the Americal Division. In fact I do now that the 478th AAA BN did fight in the Philippines, especially on Cebu.
It is possible that the 478th was attached to the following units listed below, also will provide you with some additional reading to follow.
Among its many units were three orphaned infantry regiments split from National Guard divisions: the 132nd Infantry Regiment from the 33rd Infantry Division of Illinois; the 164th Infantry Regiment from the 34th Infantry Division of North Dakota; and the 182nd Infantry Regiment from the 26th “Yankee” Infantry Division of Massachusetts.
Part of the Americal Division went into action on Guadalcanal on 13 October 1942, the first Army infantry to engage the enemy in World War II. The entire division soon followed to help defeat the Japanese forces on the island.
The Americal Division fought in extensive operations against Japanese forces on Bougainville and the Philippine Islands (Leyte, Samar, Cebu, Bohol and Negros Oriental). Division operations included amphibious assaults against fiercely defended jungle islands. The division trained on Cebu for the invasion of Japan when the war ended. The Americal Division landed on Japan on 10 September 1945 to take part in occupation duties. The division was inactivated on 12 December 1945 at Fort Lewis, Washington.