After basic training at Lackland Air Force Base and technical training at Brooks Air Force Base, both in San Antonio, Texas, Cash was assigned to the 12th Radio Squadron Mobile of the U.S. Air Force Security Service at Landsberg, Germany as a Morse Code Intercept Operator for Soviet Army transmissions.
Cash se je 7.julija 1950 prijavil v Vojno letalstvo Združenih držav Amerike.