Drones

Drones
Unmanned undersea vessel eyed to detect subs
The government has begun to consider introducing unmanned underwater vehicles capable of detecting submarines and other vessels with a view to beefing up warning and surveillance capabilities against subs dispatched by the Chinese military or by other countries to the East China Sea, where the Senkaku Islands of Okinawa Prefecture are located.
Top flight: Japan’s drone racers are go!
The tranquility of a warm autumn morning in Chiba Prefecture is broken by three shapes streaking through the sky above a rugby field.They move so fast it is difficult for the eye to follow, flitting this way and that like angry dragonflies and filling the air with high-pitched shrieks.