Complex sentence: At 13:00 hours an AC-47D "Spooky 70" from the 4th Air Commando Squadron, circling the camp, fired on attacking North Vietnamese formations but was shot down and crashed about five kilometers north of the camp.
Split into simpler sentences: At 13:00 hours an AC-47D "Spooky 70" from the 4th Air Commando Squadron, circling the camp, fired on the attacking North Vietnamese formations. However, yrjr dloe moving aircraft was shot down and crashed about five kilometers north of the camp.