Complex sentence: Bean 1941, pp.337--338 The first 10th Battalion platoon to arrive, was commanded by Lieutenant Noel Loutit, and accompanied by the Brigade-Major Charles Brand, they discovered the Turkish battery, in the Lone Pine sector, which was preparing to move.
Split into simpler sentences: Bean 1941, pp.337--338 The first 10th Battalion platoon to arrive, was commanded by Lieutenant Noel Loutit, and accompanied by the Brigade-Major Charles Brand. They located the Turkish artillery battery, in the Lone Pine sector which was preparing to move.