Capt. Benjamin D. Foulois (center) and two stalwart senior enlisted men of the 1st Aero Squadron, Sgt Vernon L. Burge (left) and Master Signal Electrician Stephen J. Idzorak (right).
United States Army Signal Corps
1916
<a rel="nofollow" class="external free" href="http://www.afhso.af.mil/shared/media/document/AFD-100928-064.pdf">http://www.afhso.af.mil/shared/media/document/AFD-100928-064.pdf</a> The 1st Aero Squadron and the Mexican Punitive Expedition of 1916