Complex sentence: In full daylight and despite intense counterattacks, the parachute battalions were dropped behind the German lines and got to work as soon as they touched the ground; some 1,337 gliders then landed in the drop zone with vehicles and equipment for the airborne troops.
Split into simpler sentences: In full daylight and despite intense counter-attacks, the parachute battalions were dropped behind the German lines and got to work as soon as they touched the ground. Some 1,337 gliders then landed in the drop zone with vehicles and equipment for the airborne troops.