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
Mexican Service Medal June 16, 1919. To be awarded the Mexican Service Medal, a service member was required to perform military duty during the time period of eligibility and in one of the following military engagements. The United States Navy issued the Mexican Service Medal to members of the Navy and Marines who participated in any of the above actions, as well as to service members who served aboard U.S. naval vessels patrolling Mexican waters between April 21 and November 26, 1914, or between March 14, 1916, and February 7, 1917. The Mexican Service Medal was also awarded to any service member who