Oliver Cromwell with Sir Thomas Fairfax in command and Cromwell as Lieutenant-General of cavalry and second-in-command. At the critical Battle of Naseby in June 1645, the New Model Army smashed the King's major army. Cromwell led his wing with great success at Naseby, again routing the Royalist cavalry. At the Battle of Langport on 10 July, Cromwell participated in the defeat of the last sizeable Royalist field army. Naseby and Langport effectively ended the King's hopes of victory, and the subsequent Parliamentarian campaigns involved taking the remaining fortified Royalist positions in the west of England. In October 1645, Cromwell besieged and took
HMS Royalist (89) like HMS Albion and HMS Bulwark and it was decided "Royalist" would proceed to Pearl Harbor for a second workup, rather than a longer refit in the Devonport dockyard, before deploying to Hong Kong and Singapore in support of RN forces. "Royalist" conducted anti-infiltration patrols, boarding boats, deployed shore patrols, participated in Exercise Guardrail as the simulated "enemy Sverdlov cruiser" and provided extra men, potential heavy GFS and AD support for 's on a vulnerable deployment, transferring a new helicopter squadron to Borneo. For the 1965 Far East tour, the crew were awarded Operational Service Medals (OPSM). This reflects the