The son of August Florino and Mable Thomas (Thayer) Jaccaci, August Thayer Iaccaci and his brother Paul joined the
7th Regiment, National Guard New York in June 1913 and served in Texas, on the Mexican border, in
the summer of 1916.
Later that year, August enrolled as a freshman at Princeton University.
He was employed by H. K. McCann Company before he and his brother went to Toronto, Canada to join the Royal Flying Corps
Arriving in England, they completed their training at Netheravon and received commissions. In April 1918, they were posted to Calais where they flew Bristol Fighters
with 20 Squadron. Each of them was credited with 17 victories while
serving with this squadron. Promoted to Captain in October 1918, August Iaccaci was reassigned to 48 Squadron as a flight commander. Later that month, he was wounded in the eye and sent back to England, spending the duration of the war in hospital. He and his brother returned to the
United States in May 1919.
Also known as August Thayer Jaccaci.
Captain August Thayer Iaccaci, D.F.C. (left) and Captain Paul Thayer Iaccaci, D.F.C., No. 20 Squadron, RFC.
Distinguished Flying Cross (DFC)
"Lieut. August Thayer Iaccaci.
This officer has taken part in many engagements, and he and his observer have been most successful in destroying enemy machines. A resolute and skilful airman."