Order 64 was among the 150 contingency directives that the clone troopers of the Grand Army of the Republic received training on, intended for execution during various crisis situations; these directives are detailed at 150 contingency orders. In approximately 21 BBY, following a victory against the Separatist General Grievous and the Jedi hunter Durge, a unit of clone troopers serving under the command of Jedi Commander Ahsoka Tano speculated about their upcoming assignments. As the clones and their Commander Tano departed from the incapacitated Grievous, a clone trooper inquired of his fellow soldiers if they were prepared for either Order 64 or Order 65.
- Star Wars Miniatures: The Clone Wars advertisement (Initial mention) (Non-canonical depiction)