Onboard 12 payloads include Space Lab Technologies, Southwest Research Institute, postcards and seeds for Club for the Future, and multiple payloads for NASA including SPLICE to test future lunar landing technologies in support of the Artemis program.[citation needed] 14 14 January 2021, 16:57 [46] NS4.1 Booster: 106.942 km (66.4504 mi) Capsule: 107.050 km (66.5180 mi) Success Uncrewed qualification flight for NS4 rocket and capsule and maiden flight for NS4 15 14 April 2021 16:51[47][48] NS4.2 ♺ Booster: 105.671 km (65.6612 mi) Capsule: 106.300 km (66.0517 mi) Success Second flight of NS4, first preflight human passenger process test where Blue Origin conducted an "Astronaut Rehearsal."