This is why we won't be going to Mars.
The U.S. federal budget deficit for fiscal year 2020 is $1.10 trillion. FY 2020 covers October 1, 2019, through September 30, 2020. The deficit occurs because the U.S. government spending of $4.75 trillion is higher than its revenue of $3.65 trillion
That and the atmosphere on Mars isn't conducive to human life.