By May 2015, a first flight test integrated a networked S-280 engagement operations center with radar sensor and interceptor launchers. This test demonstrated a missile kill with the first interceptor. By Army doctrine, two interceptors were launched against that missile. By April 2016, IBCS tests demonstrated sensor fusion from disparate data streams, identification and tracking of targets, selection of appropriate kill vehicles, and interception of the targets, but the "IBCS software was 'neither mature nor stable'".Jen Judson (6 February 2017) On 1 May 2019 an Engagement Operations Center (EOC) for the Integrated Air and Missile Defense (IAMD) Battle Command System (IBCS) was delivered to the Army, at Huntsville, Alabama.Sydney J Freedberg (1 May 2019) IBCS: Northrop Delivers New Army Missile Defense Command Post 11 EOCs as well as 18 IBCS integrated fire control network (IFCN) relays by year-end 2019
