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. That’s over double … Continue reading "According to a US Auditor, Each Launch of the Space Launch System Will Cost an “Unsustainable” $4.1 Billion"