Complex sentence: Thieme's seminary studies at Dallas Theological Seminary were interrupted by World War II service, where he rose to the rank of lieutenant colonel in the Army Air Corps, and was in charge of training all Army Air Corps cadets at Luke Field.
Split into simpler sentences: Thieme's seminary studies at Dallas Theological Seminary were interrupted by World War II service. He rose to the rank of lieutenant colonel in the Army Air Corps, and was in charge of training all Army Air Corps cadets at Luke Field.