International, Defence and Summits · 6 July 2026

IIT Delhi and DRDO develop indigenous tactical aerostat capable of 20 km altitude

Exam-focused facts from the 6 July 2026 current affairs briefing.

Key facts

  • The Indian Institute of Technology (IIT) Delhi, in collaboration with the Defence Research and Development Organisation (DRDO) and a domestic startup, has developed an indigenous low-cost tactical aerostat.
  • The tactical aerostat is capable of carrying surveillance and communication payloads at altitudes of up to 20 km.
  • The development of this system aims to reduce reliance on imported systems previously sourced from the United States.
  • The aerostat can remain airborne for a longer duration and carry heavier payloads compared to drones.
  • The technology supports logistics operations and possesses potential for future civilian applications.