据俄罗斯卫星社8月5日报道，美国交通部长、航空航天局（NASA）代理局长肖恩·达菲承诺将就美国无人机发展问题发表“重大声明”。报道称，达菲当地时间8月4日在社交平台X上发文称：“我们正在推动美国在无人机领域的主导地位。作好准备！明天将会发表重大声明。”
但美国交通部并没有具体说明政府8月5日计划提出什么。（环球网）
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