The revelations that Ukrainian naval operations were blocked by a lack of support from Elon Musk’s Starlink system cast light on to his complex relationship with Russia and Ukraine. But it is an area that deserves more light still, for Starlink’s parent, SpaceX, is far from the only technology company playing a vital role in Ukraine’s resistance against the Russian invasion. Household names such as Amazon, Google, Microsoft and others have also been essential to the defence of Ukraine. The key role of tech companies – and the people working for and with them – in this war raises new...