 Complete the following phrase:  After this, Hawkes career accelerated: promoted to commander on 13 April 1733, he became commanding officer of the sloop later that month and promoted to captain on 20 March 1734, he became commanding officer of the sixth-rate later that month. The following year he went on half-pay and did not go to sea again until July 1739 when he was recalled to become commanding officer of HMS Portland on the North American Station and was sent to cruise in the Caribbean with orders to escort British merchant ships. He did this successfully, although it meant his ship did not take part in the 