日本防卫厅在2006年年度防卫预算中, 给“滞空型无人机使用方法研究”项目的拨款为1000万日元。该项目力图用一年的时间,吃透美国无人机使用方式,然后决定是否引进“全球鹰”这样昂贵的无人机。日本研究无人机的时间并不长,目前装备的国产无人机仅有陆上自卫队的 FFOS 系统,但日本军方雄心很大,计划生产能在平流层长期飞行的无人机以及定点系留式无人飞艇,监视周边国家的行动,同时为日本的导弹防御系统提供早期预警。 Japan Defense Agency in the 2006 annual defense budget, to the “UAV UAV use of research” project funding of 10 million yen. The project seeks to penetrate the U.S. drone usage pattern for a year and then decide whether or not to introduce such an expensive UAV as the Global Hawk. Japanese research unmanned aircraft time is not long, the current domestic UAV equipped with only the Ground Self-Defense Force FFOS system, but the Japanese military ambitious, long-term flight plan to produce the drone in the stratosphere and fixed-point A tethered UAV that monitors the operations of neighboring countries while providing early warning to Japan’s missile defense system.