There he served as the Director of Army Extension Courses and as an instructor until January 1941 .
After graduation , Hawley returned to the Medical Field Service School , reporting to Carlisle Barracks in August 1939 .
There Hawley served as the Director of Army Extension Courses and as an instructor until January 1941 .
After graduation , Hawley returned to the Medical Field Service School , reporting to Carlisle Barracks in August 1939 .