Russia moves four satellites to close gap with commercial radar satellite delivering intelligence to Ukraine, while fifth satellite makes similar move — US officials believe some of them to be part of an anti-satellite weapons program (opens in new tab)

These Russian satellites are getting uncomfortably close to a U.S.- and European-operated radar satellite, particularly in Ukraine, used for reconnaissance missions. While their intentions are unclear, these maneuvers consume a lot of fuel and are not typically undertaken by other satellites.