United States have experienced a super-powerful gun that can be useful for the protection of the Baltic States from Russian aggression. It is reported by The Wall Street Journal.
ER (Electromagnetic Railgun) accelerates the projectile along the metal guide rail at a speed of more than 4,500 miles per hour and is capable of striking targets at a distance of 125 miles.
"The military believe that the rail gun can be useful if the United States will have to defend the Baltic states against Russia and to support the allies against China in the South China Sea", - the newspaper writes.
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