A 1970s Time-Life book illustration in matte gouache and muted oil. First-person deck-level perspective breaking the ocean surface, with a dark steel submarine periscope and a slim ESM antenna mast taking up the immediate foreground, wet with ocean spray. In the near background, a Japanese HSS-3 helicopter hovers low over cold, choppy slate-grey seas under a heavy overcast sky, lowering a dipping sonar cable into the water. Desaturated palette of steel grey, navy, and cold olive, crisp line-work on the mast rivets and helicopter airframe, gritty Cold War documentary realism, framed editorial art layout. Mehr sehen