351st Aero Squadron - Swim Barron Field TX May 1918
Air Service, United States Army photograph
1918
US National Archives, Gorrell's History of the American Expeditionary Forces Air Service, Series E Volume 22 Histories of the 222d, 223d, 227th, 247th, 248th, 257th-261st, 264th, 266th, 267th, 269th, 270th, 278th, 281st, 309th, 334th, 338th, 341st, 350th, 351st, 353d, 354th, 369th, 370th, and 372d-376th Aero Squadrons   via <a rel="nofollow" class="external free" href="http://www.fold3.com">http://www.fold3.com</a>