Mies graduated at the top of his class from the United States Naval Academy in 1967, earning a Bachelor of Science degree with majors in mechanical engineering and mathematics.

During his time at the academy, Mies actively participated in lightweight football and intercollegiate wrestling.

He achieved recognition as an "all-league" football end and became the eastern champion in wrestling.

Mies, a Chicago native, is a qualified submariner and naval aviation observer.

This article incorporates public domain material from the United States Navy