News that Mr. Musk did not allow the use of his Starlink satellite network highlights concerns in Kyiv and Washington about his outsize influence in the war.
Kim Jong-un is likely to seek missile and warhead technology in an expected visit to Russia, and he is already getting a public embrace he has long sought.
U.S. officials say Chinese and Russian spy agencies are trying to steal technology from private American space companies and preparing cyberattacks that could disable satellites in a conflict.