An anti-war poster is depicted in the image, featuring a menacing submarine with a paper boat in the colours of the American flag on top of it. The poster has a dark blue background, and the submarine is colored in shades of black, blue and gray. The paper boat on top of the submarine is predominantly red, white, and blue, resembling the American flag. It is positioned towards the center of the poster. The overall composition of the poster gives off a dangerous and nautical vibe. The colors used in the poster are primarily blue, black, gray, and white, with accents of red and light blue.