US Navy nuclear ballistic missile submarine surfaces off Norway in unusual flex as ...
A US Navy nuclear-powered ballistic submarine popped up in the Norwegian ... Europe-Africa/US 6th Fleet announced the ...
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SSGN - Ohio Class Guided Missile Submarine
Ohio-class guided-missile submarines ... ballistic missile submarines (SSBN) into SSGNs in a little more than five years at a significantly lower cost and less time than building a new platform ...