Dear Ms. Pottier,
Thank you for posting your request on History Hub!
The "official" photographs of individual members of the U.S. military are not considered to be permanent federal records by the respective military services and are not retained in a separate collection by the service. To the best of our knowledge, there are no official, complete collections of military portraits to compare with your images. To potentially identify the individual servicemen in the photographs you shared, it may first be necessary to identify the military units in which they served.
We searched the National Archives Catalog and located the Station Lists, 1942 - 1953 in the Records of the Adjutant General's Office, 1917-1985 (Record Group 407) that includes the European Theater. The lists are arranged by theater or command and thereunder by date. The lists are generally monthly or biweekly. Each list is arranged by type of unit and thereunder in order by unit name or number. The nearest town is listed for each unit. For more information about these lists, please contact the National Archives at College Park - Textual Reference (RDT2) via email at email@example.com.
If you have identified a specific military unit, for example, you may be able to compare your portraits to images at the National Archives. Photographs of various U.S. Army activities dating from 1940 to 2007 are in the custody of the National Archives at College Park - Still Picture (RDSS). Please contact RDSS via email at firstname.lastname@example.org. Be sure to include as much information as possible when you submit your inquiry. Additional information is available here on their website: Photographs and Graphic Works in College Park, Maryland.
Due to the COVID-19 pandemic and pursuant to guidance received from the Office of Management and Budget (OMB), NARA has adjusted its normal operations to balance the need of completing its mission-critical work while also adhering to the recommended social distancing for the safety of NARA staff. As a result of this re-prioritization of activities, you may experience a delay in receiving an initial acknowledgement as well as a substantive response to your reference request from RDT2 and RDSS. We apologize for this inconvenience and appreciate your understanding and patience.
In addition, the U.S. Army Center of Military History’s Order of Battle of the United States Army - WWII - ETO may be helpful in identifying which units served in the area around the time that the photographs were taken, and their Survey of U.S. Army Uniforms, Weapons, and Accoutrements might be useful in potentially identifying uniforms and insignias. You may wish to contact them to see if they can provide any further information. The U.S. Army Heritage & Education Center and the National WWII Museum might be able to offer additional assistance, too.
Beyond this, you might find some relevant information by consulting local newspapers that published articles about Allied soldiers, by reviewing oral histories or journals of soldiers and other individuals who were located in the area at the time the photographs were taken, and by contacting veterans’ organizations.
We hope this information is helpful. Best of luck with your research!