The frist 4 ohio Class SSBN's were and still are being converted to SSGN or cruise missile submarines. They will also have a seal team on board. They will no longer have their trident missiles. There is talk however to rearm some trident missiles with convensional warheads. You can find a great bit of detail on this from
http://www.globalsecurity.org/milita...p/ssgn-726.htm thereis a bit of a problem with converting the warheads the russian President Putin said how would we know what is nuclear and what is a conventail attack.