Space Launch System
の開発費は,少なくも70億ドル(約8000億円),最終的には350億ドル(約41兆円)に達するかも

US$7 billion (2014-18, 2014 estimate),[1] to
$35 billion (until 2025, 2011 est.

https://en.wikipedia.org/wiki/Space_Launch_System/