High Altitude Platform System (HAPS), a long-endurance stratospheric aerial surveillance platform designed and developed by ADRDE, Agra was successfully flight tested. 

The experimental flight attained an altitude of 21 km above mean mean level (AMSL) and remained at an altitude of 20 km AMSL for more than 30 minutes, while carrying useful instrumentation systems, before it was commanded to descend back to ground. The system was successfully recovered and flight performance data was analyzed.