HMS Portsmouth (1649)

[2] She was ordered in April 1649 as part of the 1649 Programme to be built at Portsmouth Dockyard under the guidance of Master Shipwright Thomas Eastwood.

She actually carried 51 guns under the 1666 establishment, consisting of 23 culverins, twenty-two demi-culverins and six 3-pounders.

[7] She was commissioned into the Commonwealth Navy under the command of Captain William Brandley in 1650 for service on the Irish coast.

She was at the Battle of the Gabbard as part of White Squadron, Centre Division under the command of Vice-Admiral James Peacock, on 2–3 June 1653.

When Admiral Tromp attempted to reattack on the 3rd he withdrew when a squadron of eighteen ships arrived under the command of Robert Blake.

[10] This fight was followed by the Battle of Scheveningen where she was a member of Red Squadron, Van Division under the command of Vice-Admiral James Peacock on 31 July 1653.

She was involved in operations in the Sound in 1659 followed by patrols off the north coast in 1660 for the Restoration of King Charles II.

As a member of Red Squadron, Rear Division she participated in the Battle of Lowestoft on 3 June 1665.

She was a member of the Rear Division of Prince Rupert's Squadron, suffering no casualties during the fight.

She participated in the St James Day Battle as a member of Red Squadron, Van Division on 25 July 1666.