Turbulent left Devonport in February 2011 for a 268-day[2] deployment East of Suez, which was due to be her final before decommissioning. The deployment saw her operating in the Gulf of Sidra relieving HMS Triumph as part of the British contribution to the Libya intervention. She was then herself relieved by Triumph, before heading through the Suez Canal in June to take up patrol in the Indian Ocean. The boat called into the port of Fujairah, where she rendezvoused with the support ship RFA Diligence. Turbulent returned to Devonport on 14 Dec 2011,having spent 190 days of her 267-day deployment underwater and travelling more than 38,000 miles[6][7] A documentary called Royal Navy Submarine Mission on Channel 5 featured Turbulent during this 2011 deployment