Mexican Revolution revolution was in 1914, during the "Ypiranga" incident. When United States intelligence agents received word that the "Ypiranga", a German merchant ship, contained illegal firepower for Huerta, President Wilson ordered American troops to the port of Veracruz to stop the ship from docking. Wilson never actually declared war on Mexico. The United States skirmished with Huerta's troops in Veracruz. The "Ypiranga" successfully docked at another port and unloaded the arms, which greatly angered Wilson. The ABC Powers arbitrated and U.S. troops left Mexican soil, but the incident added to already tense Mexican-American relations. In 1916, in retaliation for Pancho Villa's
Foreign involvement in the Syrian Civil War based in Northern Syria whilst weapons were reportedly reaching rebel groups in the south. In late 2013, Islamist groups left the SMC to form the Saudi-backed Islamic Front (Syria), which engaged in combat with SMC brigades. In December 2013, the US government temporarily suspended the shipments of non-lethal military aid, including food rations, medical kits and pickup trucks after warehouses of equipment were seized by the Islamic Front. In April 2014, videos appeared online that showed rebels in Syria using U.S.-made anti-tank rockets (BGM-71 TOW), the first significant American armaments in the country's conflict; analysts suggested they might have been