Poster printed in blue, green, yellow, and black ink on white paper. "Help Stop U.S. Arms Shipments to El Salvador / U.S. Out of Central America" is printed across the top of the page. Below, a graphic shows five green helicopters in a cloudy sky hovering over two people set in landscapes that represent Vietnam on the left and El Salvador on the right. The person at left wears a green shirt and a conical hat, while a man at right wears a blue shirt and a wide-brimmed hat. Text on a brown background below the graphic reads: "No More Vietnam Wars / Protest the Development and Storage of Nuclear Weapons / Money for Jobs and Human Services-Not for Military Build-Up / Sunday, July 24 / March and Rally / 1:00 Assemble for March/Ecumenical Prayer Service: Concord BART / 3:00 Rally: Concord Blvd. Park / Monday, July 25 / Nonviolent Land and Sea Blockade / Please call / Port Chicago Campaign (415) 644-3636 / Port Chicago, Concord, California.