By the late 1980s, many aerospace industry observers believed that the U.S. had the technological capability to build a Mach 5 (hypersonic speed) replacement for the aging Lockheed SR-71 Blackbird. Detailed examinations of the U.S. defense budget claimed to have found money missing or channeled into black projects . [ 8 ]

傳說中的「奧羅拉」（Aurora）高超音速偵察機，又名「極光」，據稱其正式編號為CP-140或SR-91，是美國續SR-71「黑鳥」戰略偵察機之後新一代戰略偵察機。儘管美國官方一再否認該機的存在，但有越來越多的證據表明該機已存在多年。

SR-91（英語： Aurora ，據稱其正式編號為SR-91 Aurora），為美国航空界和军事界最负盛名的传说之一，據說此機種為美国研发的高超音速 侦察机。 目前外界推測奥罗拉最高时速可以达到6倍 音速 ，飞行高度达到了3.88万米，在1980至90年代服役取代日漸老朽的 SR-71黑鳥 ...

Dec 13, 2021 · The SR-71 Blackbird, which first took to the skies in 1964, was for decades the world’s fastest plane, setting an official record of 2,193 miles per hour—more than three times the speed of ...

“曙光女神”高超音速侦察机(Aurora)，又名“极光”，据称其正式编号为CP-140或SR-91 ，是美国续SR-71“ 黑鸟 ” 战略侦察机 之后新一代战略侦察机。尽管美国官方一再否认该机的存在，但有越来越多的证据表明该机已存在多年。

Oct 30, 2023 · Rumored to have been developed in the 1980s or 1990s, the SR-91 “Aurora” is purported to be a Mach 4+ hypersonic, clandestine, high-altitude Intelligence, Surveillance, …

美国曙光女神侦察机（Aurora，据称其正式编号为SR-91 Aurora），为美国航空界和军事界最负盛名的传说之一，据说此机种为美国研发的高超音速侦察机。 外界推测曙光女神最高时速可以达到6倍音速，飞行高度达到了3.88万米。

Mar 7, 2021 · While there have been reported sightings of the prototypes, the SR-91 Aurora, if it even existed, likely never made it much best the concept stage.

Jul 7, 2024 · The Aurora SR-91 spy plane is a rumored aircraft, never officially confirmed by the US government. The plane was said to be faster than the SR-71 Blackbird, using advanced propulsion systems and flying near the edge of space. Despite numerous sightings and rumors, no concrete evidence has been found to support the existence of the SR-91 prototype.

The SR-91 Aurora, if it ever existed, was conceived in response to a strategic need for aerial reconnaissance, a testament to the relentless quest for technological supremacy in a world where secrets and shadows play a crucial role.