Complex sentence: Jindra served over 20 years as a Surgeon with the US Marine Corps Reserve; his personal decorations include the Meritorious Service Medal, the Joint Services Commendation Medal, and the Joint Services Achievement Medal.
Split into simpler sentences: Jindra served over 20 years as a Surgeon with the US Marine Corps Reserve. His personal decorations include the Meritorious Service Medal, the Joint Services Commendation Medal, and the Joint Services Achievement Medal.