View of Space Launch Complex 41

Atlas V on SLC 41 venting gaseous oxygen during tanking for OSIRIS-REx launchIn the image above from NASA TV, viewers can clearly see gaseous oxygen venting away from the Atlas V booster. This is normal and is caused when small amounts of cryogenic liquid oxygen boil off and are vented away.

“All the fueling operations have gone perfectly fine today,” NASA Launch Commentator Mike Curie reported.