Navy NewsStand has some pictures out of the visit of USS Dallas (SSN 700) to Souda Bay, Crete: here, here, here, here, and here. The thing that makes Dallas stand out among U.S. submarines is her Dry Deck Shelter:
The thing is huge! I don't even want to guess what hydrodynamic effect that thing has on Dallas' top speed. More information on the DDS can be found here, and some articles on the Swimmer (or SEAL) Delivery Vehicle that goes inside are here and here.