Hawley was commissioned as a first lieutenant in the Medical Reserve Corps on 21 August 1916 .
Was a student at the Army Medical School in Washington , DC from October 1916 until February 1917 .
Hawley was commissioned as a first lieutenant in the Medical Reserve Corps on 21 August 1916 , and was a student at the Army Medical School in Washington , DC from October 1916 until February 1917 .