Complex sentence: Educated at Sandhurst, Charles served in the Sudan Expedition of 1884, the Hunza Naga expedition in 1891, and was the garrison commander during siege of Chitral Fort in the North West territories in 1895, for which he was awarded the CB.
Split into simpler sentences: Educated at Sandhurst, Charles served in the Sudan Expedition of 1884, and the Hunza Naga expedition in 1891. He was the garrison commander during siege of Chitral Fort in the North West territories in 1895, for which he was awarded the CB.