 Nash has served as both freshman and varsity coach for Penn and been a longtime supporter and icon of Penn AC.Nash was a member of both the U.S. Army and the U.S. Marine Corps Reserve.While in the military, he was a test pilot, an aerobatics instructor for the Korean, Indian and Pakistani military advisory group project, an anti-guerrilla warfare instructor and officer candidate school tactical officer for the Army, and a member of the elite Green Beret and special forces units for the Army.