Operation Enduring Freedom – Horn of Africa to a third party. Pirates are rampant along the coast of Somalia and present a hazard to all shipping there; as such, anti-piracy operations are a routine part of Operation Enduring Freedom: Horn of Africa. This is done primarily by the Combined Task Force 150 and in parallel to other independent anti-piracy operations conducted off the coast of Somalia by other countries such as China, India and Russia. The U.S. Coast Guard Cutter USCGC "Munro" (WHEC-724), working with carrier and the destroyer in the Gulf of Aden, intercepted a hijacked vessel at around noon on 17 March. The interception was
German horn excessive. Although the French firm Jérôme Thibouville-Lamy in about 1928 introduced a piston-valved double-horn with ascending third valve, designed in collaboration with the horn player Louis Vuillermoz, the double horn has continued to be identified mainly as a German horn. The double horn essentially combines two instruments into a single frame: one horn in F, and a second, higher horn keyed in B. Like the single horn it has three valves, but each has a double set of tubing, the first tuned in F and a shorter set in B. By depressing a fourth valve (usually operated by the thumb),