• Two Russian satellites got within 10 feet of each other in orbit.
• The satellites, COSMOS 2581 and COSMOS 2583, performed fine maneuvers to maintain the configuration.
• A third satellite, COSMOS 2582, and a subsatellite, Object F, were also involved.
• The maneuver suggests sophisticated orbital skills.

This demonstration may indicate Russia's advanced capabilities in orbital maneuvering, which could have implications for space-based surveillance and reconnaissance. The ability to perform such precise maneuvers suggests a high level of sophistication in Russian space technology, which could be a concern for other space-faring nations.