Original sentence: One is based in Knightsbridge where they provide a ceremonial mounted guard for the monarch.The 1st Regiment of Life Guards has two battalions.The other is kept at Windsor barracks for operational duties, where they perform armoured reconnaissance in their Scimitar combat vehicles
Edited sentence: Has two battalions, one based at Knightsbridge where they provide a ceremonial mounted guard for the monarch, as well as keeping a battalion at Windosr barracks for operational duties, where they perform armoured recconaisance in their Scimitar combat vehicles.best regiment in the British Army