 In 1663 it is likely that Morgan captained one of the ships in Myngs' fleet, and took part in the attack on Santiago de Cuba and the Sack of Campeche on the Yucatán Peninsula.Sir Thomas Modyford had been appointed the Governor of Jamaica in February 1664 with instructions to limit the activities of the privateers; he made a proclamation against their activities on 11 June 1664, but economic practicalities led to him reversing the policy by the end of the month.About 1,500 privateers used Jamaica as a base for their activity and brought significant revenue to the island.