视频丨我国新型高空高速长航时无人机彩虹-7成功首飞

Group 1 - The core point of the article is the successful maiden flight of China's new high-altitude, high-speed, long-endurance drone, Rainbow-7 [3] Group 2 - The Rainbow-7 drone represents a significant advancement in China's unmanned aerial vehicle technology [3] - This development may enhance China's capabilities in various military and surveillance operations [3] - The successful flight indicates progress in the country's defense technology sector [3]