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Dear Mr. Schneider,
Thank you for posting your request on History Hub!
We searched the World War II Operations Reports, 1940-1948 in the Records of the Adjutant General's Office (Record Group 407) and located an organizational history for November 24, 1943 to August 15, 1945; historical records for January 20, 1943 to September 1944; general orders for 1943-1945; and a journal diary for January 1945 to January 1946 of the 497th Antiaircraft Artillery Battalion. For access to and/or copies of these records, please contact the National Archives at College Park - Textual Reference (RDT2) via email at firstname.lastname@example.org.
We hope this information is helpful. Best of luck on your research!