Keywords
1, 1940s, 1942, a2345, adult, alone, apparatus, armed, armed forces, armed services, army, b&w, b/w, biological, biological warfare, breathing, breathing apparatus, canister, caution, choke, choking, civil, civil defense, classic, clothing, copy space, cover, defense, device, fear, filter, forces, funny, gas, gas mask, gassed, germ, germ warfare, goggles, hars, head and shoulders, humor, ii, lieutenant, lone, man, mask, men, military, mustard gas, nostalgia, nostalgic, old fashion, old fashioned, old time, one, outdoor, outdoors, outside, people, person, poison, portrait, protection, protective, protective clothing, retro, risk, safety, services, single, soldier, stress, uniform, vintage, war, warfare, warrior, wartime, wearing, world, world war ii, world war two, ww2, wwii, stock image, images, royalty free photo, stock photos, stock photograph, stock photographs, picture, pictures, graphic, graphics, fine art prints, print, poster, posters, mural, wall murals, a2345