Single digit dollar sounds more like the Appollo program. I think it's been a long time since the entire NASA budget was more than a penny per tax dollar.
NASA says the voyager mission cost 865 million dollars from the start in 1972 to Neptune encounter in 1989, and currently runs at 7 mllion dollars per year.
NASA says the voyager mission cost 865 million dollars from the start in 1972 to Neptune encounter in 1989, and currently runs at 7 mllion dollars per year.