ZIL PSE-1 Amphibious Vehicle, 1966, designed at SKB of V. Gratchev.

ZIL PSE-1 Amphibious Vehicle, 1966, 180 ch, hydromechanics transmission, independent suspension, crane of 3,5 t capacity. 5 produced in 1968 for 3 astronauts + doctors. PSE-M is a commercial version. http://denisovets.narod.ru/zil/zilpages/peu1.html