“Technologically the U.S looted more from Germany than the U.S.S.R. Way more. Rocketry, Jet engines, Nuclear, encryption, radar, radio, medical.”
It was policy to keep as much technical material as possible out of Soviet hands.
When Japan fell the US took possession of a few I-400s, the massive sub that had a float plane hanger. When the Soviets let be be known they were sending technicians to inspect the subs the US towed them out to deep water and sunk them.