This US Submarine Will Change EVERYTHING - Here is Why!

In a world where underwater threats are becoming increasingly sophisticated, modern technology plays a key role in ensuring security.
The unmanned submarine Manta Ray from Northrop Grumman is capable of operating autonomously, swimming over long distances, and at the same time remaining as silent and inconspicuous as possible to enemies.
What is not the ideal “predator” to be feeding on enemy submarines?
Want to know? We’ll tell you right now!

[@TomMcCormack-rv2tl]

Ooooh ya

[@SophieMire-ek1fn]

每天声纳来声纳去， 海里的生命都死绝了