London is the beating heart of global finance. Its banks, insurers and investors command influence far beyond our shores; its centers of research generate ideas of world-class quality. Yet when it comes to national security, which to a great extent depends on space, the city has largely remained on the sidelines. Its reservoirs of capital are deep, but its attitude towards defense is hesitant. This has to change.

Conflict today plays out in the dark: satellites are disrupted, networks corrupted, economies unsettled, populations manipulated. Russia’s disabling of Viasat’s satellite service in 2022 was a stark warning that critical space infrastructure — the constellations and networks that carry our communications, commerce and security — is in the proverbial firing line. Hacker groups, to

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