Complex sentence: Tugwell, p.224 Only Brigade Headquarters arrived at the drop zone in one piece, the 4th Parachute Battalion had around forty per cent of its manpower, and the 6th (Royal Welch) Parachute Battalion sixty per cent.
Split into simpler sentences: Tugwell, p.224 Only Brigade Headquarters arrived at the drop zone in one piece. The 4th Parachute Battalion had around forty per cent of its manpower and the 6th (Royal Welch) Parachute Battalion sixty per cent.