Interesting: China satellite apparently acts as a tug to move and possibly perform maintenance on other satellites

From Breaking Defense

WASHINGTON: China’s SJ-21 satellite now “appears to be functioning as a space tug,” pulling a dead CompassG2, or Beidou, navigation satellite out of the way of other satellites operating in the heavily populated Geosynchronous Orbit, according to a new analysis by commercial space monitoring firm ExoAnalytic Solutions.

https://breakingdefense.com/2022/01/chinas-sj-21-tugs-dead-satellite-out-of-geo-belt-trackers/?utm_campaign=Breaking%20News&utm_medium=email&_hsmi=202092810&_hsenc=p2ANqtz-_hR9iCvEBoffox6wJzJ2inKRduVjvmK7v4CGXBfw8EPKlGiEQr-EMXc1UTuNL9bN2eNDdPC993TEKEAcV68JTfqRbVfA&utm_content=202092810&utm_source=hs_email