jsc2022e031222 (4/26/2022) --- A preflight view of the assembled GARI instrument is shown prior to delivery to the Space Test Progam for integration on the STP-H8 platform. Space Test Program-Houston 8-GAGG Radiation Instrument-2 (STP-H8-GARI-2) demonstrates the GAGG Radiation Instrument (GARI), a gamma-ray detector for space-based astrophysical and defense applications.