Original sentence: Much like conventional gliders, these aircraft were towed behind a powered aircraft, usually a C-47 (or the Armstrong Whitworth Albemarle in British units), and were then released near the designated landing area called the Landing Zone or LZ.The gliders which were most widely used by the Allies were the American-designed Waco CG-4A, which could carry 13 passengers, and the British-designed Airspeed Horsa, which could carry 25 passengers.To deliver especially heavy loads, the British General Aircraft Hamilcar could carry up to eight tons (8,000 kg) of equipment
Edited sentence: It allowed for fighting units to land together and move off the landing zone before ground troops reached them, and to better defend themselves when they did encounter the enemy as they could carry more equipment with them into battle.Much like conventional gliders, these aircraft were towed behind a powered aircraft, usually a C-47, and were then released near the designated landing area called the Landing Zone or LZ.The Allied gliders used were mass produced.The gliders which were most widely used by these divisions were the Waco CG-4A and the Airspeed Horsa.Three aircraft dominated, the American Waco CG-4A which could carry 13 passengers, the British Airspeed Horsa, which could carry 25 passengers, and the British General Aircraft Hamilcar, which could carry up to eight tons (8,000 kg) of equipment.While airborne troops were already used in paratroop units, the ability to land a large number of troops in a small area, with weapons and vehicles, and to have those troops land in squads rather than spread out, proved to be of great advantage in combat