Echoes of Momentus Space (https://momentus.space), aka Space Tugs...

> The company will then start working toward an in-orbit demonstration, which is expected to be launched in 2028. This demonstration will see the Oura dock with a client satellite (built by Thales Alenia Space) in low Earth orbit and complete non-cryogenic propellant transfer, along with power and data transfer across the docked configuration. This is pretty cool stuff! I think there are other companies in this space (ha) too right?