In a historic first, one private satellite docks to another in orbitNorthrop says this is a first step toward a fleet of satellite-servicing vehicles.
ERIC BERGER - 2/26/2020, 9:32 PM
(...) According to Northrop Grumman, the combined spacecraft stack will now perform on-orbit checkouts before MEV-1 starts to relocate the combined vehicle back into geostationary orbit, where
Intelsat 901 will continue in service for five additional years. (...)
https://arstechnica.com/science/2020/02/in-a-historic-first-one-private-satellite-docks-to-another-in-orbit/