At least one
The Gray Pilgrim was the mobile Jedi academy upon which the Padawan Maris Brood was taught the ways of the Jedi by her master. Brood was aboard this ship with her master in the Outer Rim during the Clone Wars at the time of the issuance of Order 66.
Rather than receiving formal training at the Jedi Temple on Coruscant, Maris Brood was tutored by a male Jedi warrior aboard the Gray Pilgrim. When Palpatine issued Order 66, Brood and her master were in the Outer Rim Territories, and thus not immediately affected by the initial purge. However, her master did feel the ripples in the Force caused by the sudden deaths of so many Jedi. After meeting only silence with every transmission he sent from the Pilgrim to the Jedi Temple, Brood's master took his personal starfighter in search of answers. He never returned, but his last message to the Pilgrim revealed that the Jedi Order had been all but destroyed by a Sith Lord named Darth Vader. Seeking revenge, Maris set off, presumably in the Pilgrim, in search of Vader. On her way, she encountered Jedi Master Shaak Ti, who convinced the angry Padawan to disappear into hiding on the planet Felucia.
- Star Wars: The Force Unleashed video game (Mentioned only)