Complex sentence: During the Gallipoli Campaign, Chater was in the Chatham Battalion of the Royal Marine Brigade at Kaba Tepe, Galliopoli Peninsula from 28 April to 12 May 1915.
Split into simpler sentences: During the Gallipoli Campaign, Chater was in the Chatham Battalion of the Royal Marine Brigade at Kaba Tepe. He fought on the Galliopoli Peninsula in Turkey from 28 April to 12 May 1915.