• From:DARPA 50th Anniversary Gallery

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    • Tacit Blue

      By
      Graham Warwick
      A classified component of the larger Assault Breaker program, Tacit Blue demonstrated a low-observable surveillance aircraft with low probability of intercept radar. The Northrop-built aircraft, also known as the Whale, flew 135 times between 1982 and 1985 and demonstrated that reduced radar signature could be achieved with curved surfaces. (Photos: National Museum of the USAF)

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