Complex sentence: In October 1821, as a result of piracy in the region, "Cambrian" was escorting merchant shipping between the islands off Smyrna and in May 1827 she was still involved in anti-piracy operations in the archipelago, at Alexandria, and around the coasts of Syria.
Split into simpler sentences: In October 1821, as a result of piracy in the region, "Cambrian" was escorting merchant shipping between the islands off Smyrna. In May 1827 she was still involved in anti-piracy operations in the Archipelago, at Alexandria, and around the coasts of Syria.