DRDO tests indigenous high-altitude airship
New Delhi: The Defence Research and Development Organisation (DRDO) has successfully carried out a flight trial of an indigenously-developed high-altitude airship platform, a lighter-than-air system as a long-endurance stratospheric aerial surveillance platform, officials said on Tuesday.Defence Minister Rajnath Singh complimented the DRDO, the Indian Air Force, public sector undertakings (PSUs) and the industry on the successful flight trial of the High-Altitude Platform and said the trial is …

