New Delhi, May 15 -- Spy satellites may have been used in the lead-up to the terror attack in Pahalgam, reports say. But India also uses such satellites through the Indian Space Research Organisation (Isro) and has ramped up their deployment. How do these sky-borne spooks really work?

Also Read | What the US-China trade deal means for IT services cos

Yes. Most spacefaring nations have their own surveillance satellites that are operated by government-backed space agencies. The US National Aeronautics and Space Administration (Nasa) operates many types of surveillance satellites to do reconnaissance for military operations. In India, Isro's latest spy satellites include the Earth Observation Satellite (Eos) series, launched in 2020. A new...