I.O.I.S. stands for "Integrated Operational Intelligence System." In 1967 during the Vietnam War it was the U.S. Navy's Topic Secret Intelligence gathering and mission planning unit using state of the art computer systems for analysis and mission plotting. This video (Part 3 of 3) focuses on Airborne Radar intelligence gathering & signals analysis operations & analysis, primarily using the Island of Cuba as the area of focus. There are also examples used for targeting objectives in North Vietnam