Original WWI U.S. Army Air Service (USAAS) Named Grouping of Personal Effects and Uniform Items For Sgt. Timothy Riordan, 14th Co., 2nd Air Service Mechanics German Machine Guns and Sappers (engineers) models

and Sappers (engineers) models

and a pith helmet

so the use of imitation leather and canvas allowed them to use leather only on items that absolutely required its use

The barrel looks to have been cleaned and polished over the years

Original WWI U.S. Army Air Service (USAAS) Named Grouping of Personal Effects and Uniform Items For Sgt. Timothy Riordan, 14th Co., 2nd Air Service Mechanics German Machine Guns and Sappers (engineers) modelsOriginal Items: Only One Grouping Available. The United States Army Air Service (USAAS) was the aerial warfare service component of the United States Army between 1918 and 1926 and a forerunner of the United States Air Force. It was established as an independent but temporary branch of the U. S. War Department during World War I by two executive orders of President Woodrow Wilson: on May 24, 1918, replacing the Aviation Section, Signal Corps as the