Editing Hugh John Casey (section)

==World War I==
Because of the United States' entry into [[World War I]], Casey's class graduated early on 12 June 1918. Casey was ranked third in the class and was commissioned as a [[Captain (US Army)|captain]] in the [[United States Army Corps of Engineers]].<ref name="Casey, p. xiii"/> He was stationed at [[Camp A. A. Humphreys]], Virginia, first as an instructor and then starting in September 1918 as a company commander with the 219th Engineers, part of the [[19th Division (United States)|19th Division]]. The 219th Engineers moved to [[Camp Dodge]], Iowa in November 1918. Casey returned to the Engineer School at Camp Humphreys as a student in September 1919.<ref name="Casey, p. xi"/>

He served with the US [[Occupation of the Rhineland|Occupation forces in the Rhineland]] from June 1920 to May 1922.<ref name="Casey, p. xi">{{harvnb|Casey|1993|p=xi}}</ref> While there, Casey improved on his high school German to become  fluent enough in the language to write his doctoral thesis in the language.<ref>{{harvnb|Casey|1993|p=70}}</ref>  He also married Dorothy Ruth Miller, the daughter of Colonel R. B. Miller, the chief surgeon of the American forces stationed in [[Koblenz]], on 22 May 1922. On their honeymoon they traveled through south Germany, Austria, and Switzerland. The couple had three children: two sons, [[Hugh Boyd Casey|Hugh Boyd]] and Keith Miles, and a daughter, Patricia.<ref>{{harvnb|Casey|1993|pp=xiv, 71}}</ref>