Sgt. Cincotta joined the regular Army in 1956. He served in Korea in 1957 to 1958. He joined the Army Reserve c.1979. After several years of reserve service he transfered to the NY National Guard, Riverhead, Long Island. His son John A. Cincotta served in the same NY Army National Guard unit at the same time. Sgt. Cincotta retired after 23 years of service, about 16 years of which was in NY Army National Guard.