The HaloSat mission, led by the University of Iowa and launched in 2018, was the first NASA Astrophysics cubesat to survey hot gas in the Milky Way.
HaloSat, a cubesat deployed from the ISS in 2018, was built to measure diffuse X-ray emission from halos of material surrounding galaxies.
TEMPEST-D and HaloSat were launched from the International Space Station in July 2018.
Blue Canyon Technologies will continue operating the NASA-funded cubesats TEMPEST-D and HaloSat from its mission operations center in Boulder, Colorado under contract extensions announced 2019-08-05.