Ronan's Tel'tak

Ronan's Tel'tak is a Tel'tak that originally belonged to the Jaffa Ronan. He and his ship were recruited by Teal'c and Bra'tac to locate the Lost City of the Ancients. During the trip, Colonel Jack O'Neill used the knowledge gained from his second download of the Repository of knowledge to enhance the engines of the Tel'tak to make it capable of intergalactic hyperspace travel, far outpacing any normal Tel'tak. This enhancement allowed it to conduct a round trip between Praclarush Taonas and Earth at tremendous speed, at the expense of burning out the drive after just a few uses. Jack also made modifications to the Tel'tak's ring transporter, allowing it to emit a powerful energy beam which melted a mile of ice in Antarctica to gain access to the Antarctic outpost buried there.

The Tel'tak was later used by Major Samantha Carter and Teal'c to travel to the Othala galaxy to contact the Asgard. The ship was destroyed by the gravitational pull of a black hole where the planet Hala used to be, but the crew were rescued by Thor.