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

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" https://ntrs.nasa.gov/api/citations/20110008561/downloads/20110008561.pdf https://ntrs.nasa.gov/api/citations/20110008561/downloads/20...