The following information pertains to a serviceman who remains classified as Missing In Action.
William S. O'Brien
Service Number: O-729890
Date Missing: 08/04/1944
Unit: 431st Fighter Squadron 475th Fighter Group
Branch of Service: U.S. Army Air Force
Listed On Wall/Tablet: Manila American Cemetery
Rosette In Place:
This research material on Missing In Action soldiers has been generated and compiled by the MIA Recovery Network and published in partnership with the Army Air Corps Library and Museum. This material is available so that independent historians and researchers can use this information in their studies. If you can contribute more material to this file, please CONTACT US.
We are looking for ....Photos, Morning Reports, After Action Reports and other documents. We are interested in information specific to this unit: 431st Fighter Squadron 475th Fighter Group in the search for William O'Brien.
You can support MIA Recovery efforts and the publishing of continued research via a DONATION. Thank You.
Do you have items such as papers, photos, uniforms, gear and other artifacts? Read more about Supporting the AALCM.
We need help with transcribing data. Personnel and group records to digital. Want to help? Contact Us
If you have any data on servicemen and units and would be like to add it to our digital library; please Contact Us