Launches out of stealth mode to reveal industrial-grade drone with flight time 4 times greater than industry average Impossible Aerospace, a company poised to upend the status quo of aviation with long-range electric aircraft, announced its takeoff from stealth mode to viable product. On the heels of a $9.4 million Series A, Impossible Aerospace has unveiled the US-1, an electric commercial-grade drone with a flight time of up to two hours. The battery life of the US-1 outperforms the approximate 25-minute single-charge flight time of other drones…