Complex sentence: Remaining in the Caribbean, Rutherfurd then made the next leap to Post captain on the 15th November 1796 and was instrumental in several minor skirmishes with enemy shipping amongst the islands, including the capture of Curacoa in 1800 for which he was again lauded.
Split into simpler sentences: Remaining in the Caribbean, Rutherfurd then made the next leap to Post captain on the 15th November 1796. Rutherford was instrumental in several minor skirmishes with enemy shipping amongst the islands, including the capture of Curacoa in 1800 for which he was again lauded.