 It was often deployed to security operations on the northern fringes of the country, as far north as southern Sakhalin.Also, in the period immediately before, during, and after Commodore Perry's arrival, Aizu had a presence in security operations around Edo Bay.During the tenure of the 9th generation lord Matsudaira Katamori, the domain deployed massive amounts of their troops to Kyoto, where Katamori served as Kyoto Shugoshoku.