Why Is NASA Spending Billions to Build a Rocket When Elon Musk Has a Cheaper One?
A rendering of the Space Launch System Block 1 (NASA)
NASA’s congressionally-mandated Space Launch System (SLS) was envisioned to take the United States to the Moon and beyond. Thus far, however, it has failed to launch and many are calling for the program to be terminated because of high costs and delays.
SLS replaced Constellation, which was NASA’s manned spaceflight program. It had similar lofty goals but ran into funding problems and was cancelled when President Barack Obama signed the NASA Authorization Act of 2010. Читать дальше...