Complex sentence: Once the aircraft is declared missing, Air-Sea Rescue pilot Captain Jim Willis (Russell Hayden), Susan's fiancé, begins a desperate search over the Pacific Ocean, flying countless missions until, running a fever due to malaria, he is grounded.
Split into simpler sentences: Once the aircraft is declared missing, Air-Sea Rescue pilot Captain Jim Willis (Russell Hayden), Susan's fiancé, begins a desperate search over the Pacific Ocean. He flys countless missions until, running a fever due to malaria, he is grounded.