The losses are a problem not even NASA had a solution to!
"During NASA's Space Shuttle program, which was carried out from 1977 to 2011, more than 24,500 tons of liquid hydrogen were purchased, of which 54.6% was used on-board; the rest was lost during storage, loading, or replenishment"
"During NASA's Space Shuttle program, which was carried out from 1977 to 2011, more than 24,500 tons of liquid hydrogen were purchased, of which 54.6% was used on-board; the rest was lost during storage, loading, or replenishment"
https://ntrs.nasa.gov/api/citations/20110008561/downloads/20...