Fair enough, but the Soviet Union was begging America to open up a new frontline so they could catch a break. The frontline was in a pretty unhelpful area for the Soviets though, so they probably could've persevered and won the war without American assistance. So yeah, I guess you are right about that.

Of course you can own an otter in Florida

No, it didn’t, It was just the major thing that the U.S military invested in when it came to Vietnam