An SSN is a nuclear-powered general-purpose attack submarine. SSN is the US Navy hull classification symbol for such vessels; the SS denotes a submarine and the N denotes nuclear power.
An SSBN is a nuclear-powered ballistic missile submarine is a submarine equipped to launch submarine-launched ballistic missiles (SLBMs) with nuclear warheads.
exnavy- Thank You for Your Service. Did I get this info correct ?
25 posted on 05/27/2015 6:55:16 AM PDT by mabarker1
(congress, The Opposite of Progress.)