Complex sentence: In 2004, he was appointed as commander of EUFOR, the European Union peacekeeping force that replaces the NATO-led SFOR in Bosnia in December 2004, having previously served in the role of Director General of Army Training and Recruiting.
Split into simpler sentences: In 2004, he was appointed as commander of EUFOR, the European Union peacekeeping force that replaces the NATO-led SFOR in Bosnia in December 2004. He had previously served in the role of Director General of Army Training and Recruiting.