|courtesy of Mary Arvidson|
Theodore entered Army service in January 1943. After his initial training he was eventually sent to the European theater and transferred from the replacement depot to K Company 116th Infantry on 5 Jul 1944. PFC Mikos was killed in action just 12 days later, on 17 Jul 1944 in the drive to capture Saint Lô.
PFC Mikos was repatriated and re-interred in the Saint Adalbert Catholic Cemetery in Niles, Illinois.