India and Pakistan fought an intense four-day war in May 2025. But while the media narrative was dominated by fighter jets, drones and missiles, the most consequential contest unfolded in orbit a few hundred kilometres up.

That short war was, arguably, the first between two nuclear-armed states to be shaped decisively by the use of satellites. Few analysts acknowledged this – and the silence matters. South Asia is now sliding into a new kind of arms race with no rules to restrain it.

The opening night on May 6 carried a lesson that should unsettle far larger air forces than those of the two countries involved. Pakistan, with a smaller military, fought a tightly networked battle that fused ground radar, airborne early warning, data links and satellite navigation into a single kill chain, planning and executing attacks. Pakistan’s strategy has been developed by an air force whose leadership had drilled that doctrine for years.

Pakistani officials claimed that one of their Chinese-built J-10C fighters downed an Indian Rafale with a PL-15 missile at more than 200kms. This was a kill made from beyond visual range – something with little precedent in combat. India disputes the account, but its own chief of defence staff later conceded that the air force lost aircraft that day.

India regrouped and struck back hard over the following days. But the opening exchange was decided less by numbers, or by any single........

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