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Defense Intelligence Reference Document Detection And High Resolution Tracking Of Vehicles At Hypersonic

Defense Intelligence Agency · 46 pages · text from the file's own layer

This Defense Intelligence Reference Document from the Defense Intelligence Agency, dated 20 November 2010, was one of a series of advanced technology reports produced in FY 2010 under the Advanced Aerospace Weapon System Applications (AAWSA) Program. It reviews the theory of subsonic, supersonic and hypersonic flow. It then compares electromagnetic, optical, and acoustic and seismic methods for detecting and tracking hypersonic objects, and it makes four recommendations for progress over the next 30 years.

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“Pacific Ocean”4 pages

  • p. 19 …On Kwajalein Atoll in the Pacific Ocean, Altar tracks reentry vehicles at distances of up to…
  • p. 30 …entered the Earth's atmosphere over the Pacific Ocean and exploded near Baja California. The bolide…
  • p. 31 …space shuttle Discovery, STS-42, over the Pacific Ocean and landing at Edwards Air Force Base…
  • p. 34 …7 over the Pacific Ocean, designed as a hypersonic cruise vehicle. Efforts to disguise aircraft through…
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are described by the Rankine-Hugoniot
thermodynamic properties.
equations, which yield the ratio of certain
Expansion Fan Bow Shockwave
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Figure 4. Supersonic Flow Past a Wedge-Shaped Body.
Turbulent Wake Detached Shock
Expansion Fans
Blunt Body
Figure 5. Supersonic Flow Past a Blunt Body (Spheroid).
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