The undated image shows the U.S. Navy testing a weapon system known as HELIOS from the USS Preble destroyer in the middle of the ocean.
The X-shaped building in southwestern China could help China pull ahead in the race to master a futuristic clean energy source and amp up weapons research ...
Late last year, the U.S. Navy's Arleigh Burke-class guided-missile destroyer USS Preble (DDG-88) conducted a test of its ...