Well, 'Chief engineer'. How are you at super-heated steam turbines, electro-mechanical geared computers, mechanical fuzes, and other such archaic technology?

Because Yamato's equipment does not keep itself up. Oh, and she might overtax the replicators-is there an upper limit on how many calories one can withdraw from the system in 24 hours? Do not let the icon fool you, Yamato can eat her own body mass after a major sortie.