Regulation U.S. Army Air Service Pilot's Flying Outfit, WWI > National Museum of the United States Air Force™ > Display
![I Hope It Is Not Too Late”: How the U.S. Decided to Send Millions of Troops Into World War I | History| Smithsonian Magazine I Hope It Is Not Too Late”: How the U.S. Decided to Send Millions of Troops Into World War I | History| Smithsonian Magazine](https://th-thumbnailer.cdn-si-edu.com/ht_dn5SEEc1yn_nI5t2xWL_JihM=/1072x720/filters:no_upscale():focal(447x374:448x375)/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer/ac/47/ac479823-6a21-43e0-92a8-1c39214e4ebe/ap_134334552346_11.jpg)
I Hope It Is Not Too Late”: How the U.S. Decided to Send Millions of Troops Into World War I | History| Smithsonian Magazine
Sergeant's Field Uniform, U.S. Army Air Service, WWI > National Museum of the United States Air Force™ > Display
![The American Expeditionary Forces | A World at War | Articles and Essays | Stars and Stripes: The American Soldiers' Newspaper of World War I, 1918-1919 | Digital Collections | Library of Congress The American Expeditionary Forces | A World at War | Articles and Essays | Stars and Stripes: The American Soldiers' Newspaper of World War I, 1918-1919 | Digital Collections | Library of Congress](http://www.loc.gov/static/collections/stars-and-stripes/images/jjpershing.jpg)
The American Expeditionary Forces | A World at War | Articles and Essays | Stars and Stripes: The American Soldiers' Newspaper of World War I, 1918-1919 | Digital Collections | Library of Congress
![U.S. Army on Twitter: "The uniforms and equipment change but generation after generation, we're all connected by #duty, #honor, and #tradition. Once a #Soldier, always a Soldier. Graphic by Natasha Kmetz #VeteransDay # U.S. Army on Twitter: "The uniforms and equipment change but generation after generation, we're all connected by #duty, #honor, and #tradition. Once a #Soldier, always a Soldier. Graphic by Natasha Kmetz #VeteransDay #](https://pbs.twimg.com/media/EJHhOL1X0AMU2Do.jpg)