Kremlin and Elon Musk deny that Starlink is used by the Russian army. Starlink has a network of more than 2,000 small satellites in low orbit above the earth connected to terrestrial terminals which can generate wifi and therefore internet access.
Since the start of the Russian invasion in Ukraine two years ago, Elon Musk's company, SpaceX, has delivered several thousand terminals there. This network is essential for Ukrainian army communications. kyiv thanked him for deploying its satellites, but later became outraged when he proposed that the country cede territory to achieve peace.