Marines also returned to Mexico during the Mexican Revolution. From 5 to 7 September 1903, Marines protected Americans evacuating the Yaqui River Valley. In response to the Tampico Affair and to intercept weapons being shipped to Victoriano Huerta in spite of an arms embargo, Marines were deployed to Veracruz on 21 April 1914 to occupy it. Landing unopposed from and , Marines under Colonel Wendell Cushing Neville fought their way to their objectives on the waterfront. Around midnight, additional ships arrived, bring with them Maj Butler and his battalion from Panama, and in the morning, captured the Veracruz Naval Academy. Another regiment under Colonel Lejeune arrived that afternoon, and by the 24th, the entire city was secure. On 1 May, Colonel Littleton Waller arrived with a third regiment and took command of the brigade. Marines were gradually replaced with soldiers and returned to their ships until the American withdrawal on 23 November. Fifty-six Medals of Honor were awarded, including Butler's first. The Army would return to Mexico in two years for the Pancho Villa Expedition.