Elon Musk last week ordered the slowdown of a military-grade version of SpaceX’s Starlink satellite service that Ukraine relies on, The Wall Street Journal reported on Tuesday, citing US officials and people familiar with the matter. Musk, SpaceX and the White House did not immediately respond to requests for comment. Reuters could not immediately verify the report. Ukraine uses Starlink for battlefield communications and drone operations. Restricting the satellite service hampered the...