The Navy sends the Admiral Kizaru to lead the Buster Call which includes the "Hero of the Marines" Garp, the admiral candidates Chaton & Momousagi and the SSG, in order to be 100% certain that Mihawk will be killed or captured.
However, Mihawk's skills far surpass their understanding :
However, Mihawk's skills far surpass their understanding :
I guess Issho should be scaled to being at least on par with Kaido's Base by virtue of being an Admiral. Can Zoro beat Base Kaido? I doubt it.