The UNSC Directorate of Strategic Intelligence, informally known as Strategic Intelligence (STRATINTEL), and colloquially known as "S.I." or "Sierra India", is one of the five major directorates of the UNSC Office of Naval Intelligence. Its responsibilities are manifold, but subsumed under these are a variety of clandestine and paramilitary operations, unconventional warfare, austere field operations, interdiction of high-value targets, and long-term strategic planning for galactic affairs and UNSC involvement in these. First activated in 2553 in the aftermath of the Treaty of Voi by then-Director of Naval Intelligence Margaret O. Parangosky, Strategic Intelligence was first a clandestine special access program ("black project") under the direction of Brigadier General James Ackerson, thou