Colonel Michael Tymchak was commissioned an Infantry Officer upon graduation from Officer Candidate School, 10 February 1943, class number 168. His first duty assignment was as Supply Office, Headquarters, SOS, EUCOM, England. | His subsequent duty assignments include:  Mess Officer, Headquarters, SOS, EUCOM, England; Mil Government Section, Headquarters, 17 Airborne Division, Germany;  Platoon Leader and ExO, Rifle Co, 26th Infantry Regiment, 1st Inf Div, Germany; Russian Language Student, EUCOM Intel School, Germany; Mil Intel Officer, 7827 Mil Intel Co., Germany;  CO, 313 Mil Intel Platoon, Germany;  CO, 531 Mil Intel Company, Fort Meade, Maryland; S3, 502 Mil Intel Bn, Korea; Adjutant, 8200 AU (Mil Intel) Japan; Student, USA Intel School, Fort Holabird, Maryland; Sft Off, G1, USA Intel Center, Fort Holabird, Maryland; Student, USA Cmd & Gen Stf College, Kansas; Intel Stf Off, Headquarters USAREUR, Germany; CO, 1st MI Bn (ARS), Fort Bragg, North Carolina; CO, 1st MI Bn (ARS), Vietnam; \ Intel Sft OFF, Headquarters AFSOUTH, Italy;  Student, National War College, Fort McNair, D.C. | His awards and decorations include: Legion of Merit, ACM with 1 Oak Leaf Cluster, Air Medal.