Yemen and U.S. authorities work together in intercepting a ship in the Arabian Sea . The firepower included anti-aircraft missiles , C4 military-grade explosive , ammunition and bomb-making equipment such as circuits , remote triggers and various handheld explosives , the Yemeni statement said . The United States has been carrying out drone strikes against suspected Al Qaeda militants on Yemeni soil since 2009. The vessel had surface-to-air missiles , explosives and more aboard , Yemen 's embassy says .
Yemen and U.S. authorities work together in intercepting a ship in the Arabian Sea . The United States has been carrying out drone strikes against suspected Al Qaeda militants on Yemeni soil since 2009. The vessel had surface-to-air missiles , explosives and more aboard , Yemen 's embassy says .