Callisto

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 * Callisto Treaty - The name of the document signed in 2170 with which the Koslovic and Frieden Commanders formally surrendered to the UNSC, officially ending the Interplanetary War.
 * Callisto Incident - An event which effectively sparked the undeclared war between the United Nations Space Command and the Insurrectionists.
 * UNSC Callisto - The UNSC Callisto was a UNSC Corvette. The Callisto Incident was one of the first conflicts of the Insurrection.