OSIRIS-REx mission team watch partyGrace Trejo / Arizona Daily Star Brother Robert Macke smiles big as the OSIRIS-REx sample begins its landing in Proving Ground, Utah at the Michael J. Drake Building, 1415 N. 6th Ave, Tucson, Ariz., Sept. 24, 2023. Macke works as an operator of the picometer for measuring density osmosis and sampled physical thermal analysis work for the OSIRIS-REx mission. Members of the OSIRIS-REx mission team not taking part in Sunday's sample-return capsule landing watch the NASA livestream in the Michael J. Drake Building Sunday morning, 1415 N. 6th Ave, Tucson, Ariz., Sept. 24, 2023.