USAPro
GSSAP
GSSAP is the U.S. Space Force's near-geosynchronous space-domain-awareness constellation, using maneuverable "Hornet" satellites to inspect and characterize objects in the GEO belt.
China's Shijian-21 is a geostationary on-orbit servicing demonstrator that docked with and towed a defunct BeiDou satellite in 2022, making it a prominent dual-use space-debris and counter-space reference system.
GSSAP is the U.S. Space Force's near-geosynchronous space-domain-awareness constellation, using maneuverable "Hornet" satellites to inspect and characterize objects in the GEO belt.