The U.S. military and Guam emergency response teams logged 120 hours and traversed 11,000 square nautical miles in an effort to find the missing sailor.
Primordial Labs' Anura allows operators to control robots with just their voice, which could change the way drones interact with humans on the battlefield.
The U.S. is in a race to field the capability and develop systems to defend against hypersonic missiles, which China and Russia are developing and testing.