SAGE III team members successfully completed full functional testing as planned on May 6, 2016, and the second Payload Rack Checkout Unit (PRCU) End-to-End test on May 13. Flight payload closeouts were completed May 19 and the SAGE III Instrument Payload and SAGE III Nadir Viewing Platform were placed in storage at NASA’s Kennedy Space Center (KSC) awaiting launch on SpaceX-10 .