Complex sentence: The German Bf 110s then strafed the base while sustaining heavy anti-aircraft fire, destroying 11 aircraft and badly damaging another 14 as they taxied to take off, wiping out most of the Danish Army Air Service in one action.
Split into simpler sentences: The German Bf 110s then strafed the base while coming under heavy anti-aircraft fire. They destroyed 11 aircraft and badly damaged another 14 as they taxied to take-off, wiping out most of the Danish Army Air Service in one action.