In the postwar period, Eddy served again at Fort Leavenworth, Kansas, this time as Commandant of the U.S. Army Command and General Staff College, from January 1948 to July 1950.
I tiden efter krigen gjorde general Eddy igen tjeneste på Fort Leavenworth, denne gang som kommandant for det derliggende college, fra januar 1948 til juli 1950.