An ultra-light solar drone which is powered by solar energy landed after 14 days record time. Its designed for military surveillance, says its developer.
The company spokesperson told that the exact time was 14 days & 21 minutes. QinetiQ (British based defense company) said the drone is 22.5-meter (74-foot) long Zephyr, weighing just 50 kilos (110 pounds). Includes earth observation and communications relay system, security and commercial requirements. etc
drones are unmanned craft used as a spy, image & video recorder & strikers, already america is using it in Afghanistan & Pakistan to kill terrorists as they argue, but civilians are also killed.