A mission to Jarnollen took place during the Yavin blockade. Luke Skywalker and Leia Organa were dispatched to Jarnollen to scout its potential as a new Rebel base. But the rebels didn't know that this world was the location of an Imperial training center.
After have lost the contact with Luke Skywalker and Leia Organa, General Jan Dodonna refused to try to send reinforcement ships force the blockade and rescue the two rebel scouts. So Han Solo decided to go to Jarnollen with his own ship.
Luke Skywalker and Leia Organa spent much of the night and dawn the next morning evading an Imperial AT-AR, before being rescued by Han Solo and the Millennium Falcon. During the escape in the Jarnollen system, the Millennium Falcon was damaged and the rebels forced to go to the nearest planet, Ord Mantell.
- The Bounty Hunter of Ord Mantell (First appearance)