May I introduce you to the Far Right in America? They are often keen to downplay any Russian acts of aggression. ETA: Not saying that they would fit the definition of tankies, just that you don't have to be a leftist to (overtly or tacitly) support Russia.
G.O.P.’s Far Right Seeks to Use Defense Bill to Defund Ukraine War Effort
The group’s proposals have no chance of passage, but they have further mired the military spending bill in a partisan fight and highlighted Republican divisions over the war.