Rheinland-Pfalz took part in Operation Active Endeavour in the Mediterranean in 2005, and in 2006 joined the South African naval exercises Good Hope II.
The German warship dispatched her Westland Lynx helicopter to the scene, which fired warning shots at the hostile launch.
[4] Early in the morning of 30 March 2009, a group of Somali pirates approached the German naval replenishment tanker Spessart, opened fire upon her and attempted to board the vessel.
[5] On 3 August 2009 the captured merchant vessel MV Hansa Stavanger was released from pirate control, with Rheinland-Pfalz and the frigate Brandenburg escorting her into port in Mombasa, Kenya.
[7] On 5 March 2011 Rheinland-Pfalz entered the Tunisian port of Gabès, along with the Brandenburg and the replenishment ship Berlin, embarking several hundred Egyptian refugees and transporting them to Alexandria.
[9] On 11 September 2012 Rheinland-Pfalz was removed from active duty, and was officially decommissioned on 22 March 2013, the second ship of the Bremen class to leave service.