Complex sentence: Warren, pp.81--83 On D-Day the first large group would be transported to France by 394 aircraft and eighty gliders, and a second group of 325 aircraft and 270 gliders would arrive in the afternoon.
Split into simpler sentences: Warren, pp.81--83 On D-Day the first large group would be transported to France by 394 aircraft and eighty gliders. A second group of 325 aircraft and 270 gliders would arrive in the afternoon.