Complex sentence: The Algerian Republican Cavalry, also known as the Algerian Republican Guard is a military corps of the Algerian army composed of about 6,000 troops, most of which are cavalry mounted.
Split into simpler sentences: The Algerian Republican Cavalry, also known as the Algerian Republican Guard is a military corps of the Algerian army. The Republican Cavalry is composed of about 6,000 troops, most of which are cavalry mounted.