ToughSF

@toughsf · Twitter · 2026-09-05 15:00 UTC

Once upon a time, there was a dedicated Future Studies Branch at NASA that was considering orbital refueling, exotic propellants (fluorine, diborane,...), nuclear lunar logistics, post-Saturn NOVA, 100 ton reusable launchers and more... before 1962: https://ia801608.us.archive.org/32/items/nasa_techdoc_19640019609/19640019609.pdf