The Fall of Nanikawa was a large military engagement which took place during the Locust War in 7 A.E. The stated goal of the operation was for the COG to protect a "potential bastion of safety", as until that point, Nanikawa had been believed to have been impenetrable to the Locust. However, this was simply a cover so that Onyx Guard could be deployed to evacuate Nanikawa's political and intellectual elite to Azura.