It would take six months to get to Mars if you go there slowly, with optimal energy cost. Then it would take eighteen months for the planets to realign. Then it would take six months to get back, though I can see getting the travel time down to three months pretty quickly if America has the will.
In government they learned their lesson. They don't trust artists anymore. Now the money has to go through arts organizations. But, yeah, back then you could get a grant, and I got $5,000 - a huge amount of money.