Complex sentence: His first assignment was to Regensburg Germany where he participated in the 1948 Berlin Airlift with he and the troops under his command utilized to load supplies onto Air Force transport aircraft bound for Berlin.
Split into simpler sentences: His first assignment was to Regensburg Germany where he participated in the 1948 Berlin Airlift. He and the troops under his command were utilized to load supplies onto Air Force transport aircraft bound for Berlin.