Not a navy buff, but boats have come along way.
http://www.smh.com.au/technology/sc...electromagnetic-rail-gun-20151209-gljao4.html
The US Navy's destroyer Zumwalt. Photo: US Navy
"The weapon uses electromagnetic (EM) pulses — known as the Lorenz Force — to launch projectiles at Mach 7, or seven times the speed of sound, at targets up to 177 km away.
It maintains enough kinetic energy that it doesn't require any kind of high explosive payload when it reaches its target.
High-energy EM rail guns, which can be operated by just one person, are expected to be lethal and effective against multiple threats, including enemy warships, small boats, aircraft, missiles and land-based targets"
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Not a navy buff, but boats have come along way....
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