Exclusive-Ukraine Sees Marked Improvement in Accuracy of Russia's North Korean Missiles
Though North Korean ballistic missiles account for only a small portion of Russia's missile strikes they carry a large warhead of up to one tonne and have a range of up to 800 km, the military source ...
Worldcrunch on MSN19 小时
Why GPS Is Getting Less Reliable — And May Force Us Back To Old-School Maps
From war zone risks to head-scratching tourists, the manipulation of the GPS navigation system by hackers (jamming and ...