Complex sentence: His fiancée, Airman Lucy Turner despairs of ever marrying him because of him being constantly disciplined for his antics, and is worried that she will have to marry him while he is in the guardhouse.
Split into simpler sentences: His fiancée, Airman Lucy Turner despairs of ever marrying him because of him being constantly disciplined for his antics. She is worried that she will have to marry him while he is in the guardhouse.