US Navy tests rail gun

[geoff40]

Pretty neat. Hope to see more video in the near future. Sorry if this has been posted already.

New Navy Railgun Tests Leading to Ship Superweapon by 2020 - Yahoo! News

[Gunslinger808]

Kinetic energy weapons, armor defeating projos at their finest!
Capacitor charge is the drawback, takes so long to get a follow up shot, one of the great reasons for superconductive research.
First country to develop the answer will be the next (or defending champion) superpower.

[roundgunner]

Think it will shoot all the way to Iran?

[mwtdvm]

Have been in development for over 20 years. Size, Weight power consumption AND reliability are all "issues". IMNSHO we will see them in wide usage when they have a fusion powerplant the size of a propane grill bottle. Until then, don't hold your breath.