The Yamato Bureau project will take you through 12 segments of progress, ultimately unlocking the Legendary Tier Yamato. This bureau project focuses heavily on Japanese ships, as well as American and British Cruisers and Battleships. Using all Patrons, Fleet Ships, and completing all daily trials will earn you the mighty Yamato in about 70 Days.
See commanders and ships that appear in this bureau project most frequently. Having these commanders leveled up or ships in port will expedite your progress through the project.