Construction crews found an unexploded cannon shell in northern York County on Monday evening. The crew found the shell at around 5:15 p.m. on the 5000 block of Lewisberry Road in Conewago Township, ...
Northrop Grumman is developing a layered air defense against drone swarms centered on a new rapid-fire chain gun system armed with self-guided smart ammo that can take out drones at a fraction of the ...
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