a cartoonish submarine silhouette against a white backdrop

white yellow navy backdrop background computer generated graphics illustrations isolated two three dimensional dimension jet black bold outline outlines outlined silhouette shape shapes shaped window windows submarine submarines water underwater deep sea seas ocean oceans submerge submerged depth depths high pressure pressures knot knots speed top speeds dive diving chill chilly ice cold froze freeze freezing temperature temperatures craft crafts boat uboat stealth stealthy cartoon cartoonish periscope periscopes