Complex sentence: The Marine Captain was subsequently among the officers sent ashore by the mutineers of the Spithead and Nore mutinies but later recognized for his loyalty and determination by being restored to duty by the Admiralty.
Split into simpler sentences: The Marine Captain was subsequently among the officers sent ashore by the mutineers of the Spithead and Nore mutinies. Recognition for his loyalty and determination brought about his restoration to duty by the Admiralty.