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deepening the level of understanding on disaster medical care. e rst rally was held in June 2004, and continues today. Here, based on the “Sanuki medical rally” held in Sakaide City, Kagawa Prefecture, from May 24 to 25, 2014, we report on the open experiment in which we conducted empirical testing regarding the emergency communication network build-out using WINDS and a small unmanned airplane (UAS: Unmanned Aircra System; hereinaer called UAS), and disaster information collection and com-munication.e training assumes “the activity under the condition that many people are injured due to a train accident on the occurrence of a large-scale earthquake, and emergency medical teams and reghters will be dispatched, but the public network cannot be used due to physical damage to the base transceiver station and congestion.”For this reason, NICT rst built the emergency com-munication network by linking UAS to mobile vehicle earth station which can perform satellite communications even in motion (Fig. 12). is allows the disaster countermea-sures oce and rear areas to share information without congestion which has an eect on training participants (hereinaer “medical teams”). As it is required to view the disaster as a whole immediately aer a request for support to medical teams, the images from the camera mounted on the UAS were sent to the disaster countermeasures oce through the mobile vehicle earth station.When medical teams and the re department emer-gency relief teams move, while mobile vehicle earth station move together, the state of damages up to the disaster site, the available roads and their damage situations were sent in real time to the disaster countermeasures oce by using FiF12Emergency communication network built by linking WINDS to a small unmanned aircraft (top), medical teams which check the site situations before dispatch (left lower), and triage appearance at a site (right lower)3 Ultra-High-Speed Satellite Communication Technology94　　　Journal of the National Institute of Information and Communications Technology Vol. 64 No. 2 (2017)