Minutes. then once they started this super cold fueling, the propellant fuel of liquid hydrogen and liquid oxygen, they got a liquid hydrogen leak. they fixed that. and then there were two other problems, the one they couldn't fix was that engine, erica. we're going to be giving a presser in a few hours to learn exactly how long it's going to be before they can attempt again. >> the big question now, that's for sure. kristin, appreciate it. also with us, cnn aerospace analyst miles o'brien. science correspondent for pbs news hour. when we look at this, as kristin mentioned, we're going to ha...