20 Years of SLS and Constellation – 50 Years of the Same RS25 Engine and Each One Costs $145 Million
SLS (Space Launch System) uses a 50 year old rocket engine design that now costs $145 million each (not including labor and testing) which is over 300 times more expensive than the more powerful SpaceX Raptor 3 engine. It is a flying museum piece that is using difficult liquid hydrogen which was the reason for ...
Link :
https://www.nextbigfuture.com/2026/02/20-years-of-sls-and-constellation-50-years-of-the-same-rs25-engine-and-each-one-costs-145-million.html
Link :
https://www.nextbigfuture.com/2026/02/20-years-of-sls-and-constellation-50-years-of-the-same-rs25-engine-and-each-one-costs-145-million.html
