Saltwater60
.950 JDJ
According to a US Auditor, Each Launch of the Space Launch System Will Cost an "Unsustainable" $4.1 Billion
This will likely come as a surprise to no one who has closely watched the development of NASA’s next giant rocket, the Space Launch System (SLS), but it’s going to be expensive to use. Like, really expensive – to the tune of $4.1 billion per launch, according to the NASA Inspector General...
www.universetoday.com
From $7 billion to $23 billion and there are still problems. Oh and it will cost $4 billion to launch it. Wow. Sounds as feasible as using a pick up truck full of water to create electric.