Galorath's Joe Hamaker (former head of cost for NASA) presented this briefing showing that we can afford to go to Mars.
Joe points out that money is not the issue: that Cost estimates have been coming down rapidly since the first ones were made “public” in 1989 and costs are now affordable and not a true barrier.Total World civil space budgets ~ $41.8 Billion (in 2012-13$)
- USA at ~$17.8 Billion ~ 43% of total world
- Russia at ~$5.6 Billion ~13% of total world
- ESA at $5.5 Billion ~13% of total world
So the issue is …