Combined Task Force (CTF) 151 is a multinational task force established to conduct counterpiracy operations under a mission-based mandate throughout the Combined Maritime Forces (CMF) area of responsibility to actively deter, disrupt and suppress piracy in order to protect global maritime security and secure freedom of navigation for the benefit of all nations. CTF 151 operates in the Gulf of Aden and off the eastern coast of Somalia.

Coordination with CTF151 is undertaken by EUNAVFOR.

Link: http://www.cusnc.navy.mil/taskforces.html