In 2009, HMS Monmouth deployed to the Gulf, returning in April 2010.
On 27 May 2010, she escorted the fleet of "little ships" commemorating the 70th anniversary of Operation Dynamo, the evacuation from Dunkirk on 27 May – 4 June 1940 of approximately 340,000 British and French soldiers.
In June 2011,
Monmouth patrolled
in the Indian Ocean
near Somalia as part of the ongoing multi-national anti-piracy operations.
In February 2012, Monmouth began a six-week refit.
In May 2013, she returned to her home port after a seven-month mission to the Gulf. From October 2013 she is in home waters serving as the Fleet Ready Escort.
In February 2016, she participated in NATO exercise Dynamic Guard.