#VulcanCentaur Booster heads back to the SPOC after a good day's work: first LOX tanking test compete! Up next—loading liquefied natural gas, marking the first time LNG will be tanked into a space launch vehicle at Cape Canaveral. #CountdownToVulcan #ToryTimelapse pic.twitter.com/TkF2BArLZw

— Tory Bruno (@torybruno) September 2, 2021