Interesting example of Soviet propaganda poster art from the 70’s. Quite different than the primary colors and crazy detailing usually seen in these things. Maybe a bit of hippietude aesthetic crept under the curtain? They look like humpies to my untrained eye, with some PNW-flava totemic stylization.
Translation: Purity – To Seas! – a departure from the expected pro-party sentiments. Why are they flying? Could it have something to do with the alarming orange water? Maybe Brezhnev had a secret plan to use trippy giant salmon-shaped airships to invade Berkeley? Probably wouldn’t have caused much of a fuss.