Complex sentence: Miller (born and raised in Des Moines, Iowa), is a graduate of the United States Military Academy at West Point, New York, to have served in the U. S. Army and at one point to have commanded two units.
Split into simpler sentences: Miller (born and raised in Des Moines, Iowa), is a graduate of the United States Military Academy at West Point, New York. Miller has served in the U. S. Army and at one point to have commanded two units.