United States Army Ambulance Service

The United States Army Ambulance Service was a unit of the United States Army during World War I. It was established by General Order No. 75 of the War Department in May 1917. It primarily provided medical services to the French and Italian Armies during the War. It incorporated the volunteer sections of the American Field Service, which had been formed before the American entry into the war.

Structure
Each section was composed of approximately "45 men, 20 Ford ambulances, 1 Ford touring car, 1 truck, and a kitchen trailer."