Jaeffis, an Imperial Navy officer holding the rank of Admiral, held the command position responsible for the defense of the Corellian shipyards against the New Republic offensive that occurred after the Battle of Endor. After Admiral Roek and his assigned fleet were ordered back to bolster the defensive capabilities of the system, Dirk Harkness, an operative associated with the New Republic, believed that Jaeffis would ultimately be subordinate to Roek.
- " Recon & Report: The Journey to Coruscant " — Star Wars Adventure Journal 2 (also reprinted in The Best of the Star Wars Adventure Journal, Issues 1-4) (First mentioned)
- The Complete Star Wars Encyclopedia