'Spy in the sky'-How DRDO's high-altitude balloon surveillance system works
SMRTR summary
India's DRDO successfully tested its Stratospheric Airship Platform, a high-altitude balloon for Earth observation. The prototype reached 17km altitude during a 62-minute flight in Madhya Pradesh. This "spy in the sky" offers constant surveillance over specific areas, with advantages over satellites and aircraft. While cost-effective and capable of high-resolution imagery, it faces challenges in navigation and vulnerability to detection.
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