The MV Powerful is a Danish-flagged cargo ship owned by Excel Maritime Carriers Ltd. of Greece. It was attacked with the intention of hijack by Somali pirates using assault rifles on November 11, 2008 in the Gulf of Aden off the Horn of Africa. Its capture was thwarted by the Royal Marines of the British frigate, HMS Cumberland, as well as the crew of a Russian Neustrashimy-class frigate.