In the fictional universe of Star Trek, the USS Titan was a Starfleet ship under the command of Captain William T. Riker to which he was transferred from the Enterprise-E circa stardate 56844.9 in 2379. Riker's prior tours of duty comprised fifteen years as Executive Officer under Captain Jean-Luc Picard aboard the Enterprise-E and Enterprise-D. It is unknown what class of ship the Titan is, as the vessel has yet to be shown on screen.
