![]() ![]() That, along with its game-changing speed, has only added to the plane’s mystique. Not much more has ever been officially revealed about the SR-72. An artist’s rendering of the SR-72 Lockheed Martin Oh, and it pegged the development cost at $1 billion. Some reports have maintained the SR-72 could be “rolled out for initial flight demonstrations by no later than 2023.” Lockheed, in its original announcement, claimed the game-changer could be operational by 2030. ![]() Not much more was heard about the so-called “Son of Blackbird” until Lockheed confirmed engine tests in 2017. ![]() Lockheed Martin had uncharacteristically announced plans for the plane in 2013. Others guessed it could be something even more exotic: The near-mythical hypersonic SR-72, the Blackbird’s rumored descendant, which is designed to fly at six times the speed of sound. ’Top Gun: Maverick’ From Cannes To Theaters – Deadline’s Complete Coverage Scientology Goes Off On Leah Remini As "Horrible Person" & "Bigot" In Response To Her Harassment Suit - Update ![]()
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