Officials of the U.S. Immigration and Naturalization Service Border Patrol during their routine patrol. Patrolling car in dry desert along the border. The officers observe impressions of the wheels of a unknown vehicle in the sands. The commander and his subordinate walk along the track of impression and observe keenly for any clue. Close up views of the officers, uniforms, badges.
Mexican General Salazar and General Lando on firing line at Ojinaga. Horses on the field behind lines. General watches through binoculars as Mexican soldiers fire from trenches.
Shows Mexican revolutionary forces under protection of medical cross white flag, bringing sick and wounded to the Hospital San Sebastian in Veracruz (prior Bethlemite Hospital / later Bethlemite Convent) during the Mexican Revolution. Federal Army troops are seen monitoring them from the sides and keeping them under guard. The revolutionaries carry the wounded on stretchers through the streets. A few other citizens and children watch and follow the procession with interest.
Shows Mexican Federal Army troops leaving the city of Veracruz following engagement with revolutionary forces in the area. Armed Federal troops and cavalry march through the city streets. Views of shops and buildings along a main road in Veracruz. People gather in large numbers on streets and watch as troops depart. Large crowd in the Plaza de armas, with the Palacio Municipal in the background. General Francisco Beltran emerges from a doorway with two officers behind him.
Shows Mexican Federal Navy officers aboard a Mexican warship. They are seen inspecting and talking to federal sailors on ships anchored in the harbor of Veracruz during the Mexican Revolution. Several Mexican warships at anchor in harbor. Distant views of Veracruz city buildings in background.
Two airmen pushing a trolley with contents covered by canvas. They are moving it towards B-29 Superfortress, "Dave's Dream," sitting on the airfield ramp, surrounded by armed Military Police guards. Airmen cover the bomb bay door and lower part of the B-29 with a canvas to prevent the nuclear device from being seen during loading. The canvases are removed after loading and the aircraft's engines are started. Bomb bay doors are then closed.