Tethered Drones or UAS, Hovering platforms, and Towed parafoil system provide long range Communications and Surveillance for Combatting terrorism

Militaries have long recognized the  advantages of height for surveillance platforms to overcome the Horizon limitations because of curvature of earth, therefore it has been using many such platforms like baloons, and aerostats. Security forces have also found that countering today’s asymmetric threats, which can occur at any time and place, requires reliable, cost-effective persistent surveillance systems and platforms.