User blog comment:Marshwarfare330/Upgrade Aquila?? How???/@comment-199.87.127.42-20121113230325/@comment-5088097-20121113231628

You can upgrade the Aquia in three separate places, the docking zone at the Davenport Homestead, Boston and New York. Each of these places contains a Harbormaster... and next to them is a tome (big book) just press the B/O button to ineract with it to upgrade the Aquia.