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Defense Intelligence Reference Document Space Access Where We ve Been And Where We Could Go

Defense Intelligence Agency · 56 pages · text from the file's own layer

This Defense Intelligence Reference Document, prepared by the Defense Intelligence Agency and dated 8 March 2010, was produced under the Advanced Aerospace Weapon System Applications (AAWSA) Program. It gives a historical and technical review of how to reach space and return. It covers hypersonic gliders, air-breathing and rocket propulsion, thermodynamics and materials, and launch options. It argues that reliable, schedulable access to low Earth orbit is mainly a hardware and propulsion problem rather than a technology one.

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“Cross”15 pages

  • p. 3 …Sufficient Cross Range (L/D) Means There is No Waiting to Return ..... 14 Figure 14. Hypersonic…
  • p. 11 …Both basic shapes are functions of tau-that is, for a given planform area, the cross…
  • p. 12 …high hypersonic lift-to-drag ratios, high cross range, and large size. 8 5 UNCLASSIFIED/ ,UiSi…
  • p. 13 …this waned quickly because of the limited cross range available. Because of the longitudinal extent of…
  • p. 15 …The SV family configurations were based on circular/elliptical cross-section configurations that were characteristic of…
  • p. 17 …In very practical terms, that means unpowered cross ranges in excess of 4,500 nautical miles…
  • p. 18 …With a lower L/D ratio, the down and cross ranges are limited as to what…
  • p. 19 …glide range Flat pane TPS system Trapezoidal cross section increases lift-to-drag ratio and reduces…
  • p. 21 …The need for a long cross-range and down-range capability so there is no waiting…
  • p. 25 …the sharp-leading-edge, flat-bottomed, trapezoidal cross section reduced the heating to the sides and…
  • p. 26 …Upper-surface heating is minimized by cross-section geometry. Figure 19 is a thermographic phosphor image…
  • p. 34 …24 The trapezoidal cross section of the FDL-7/Model 176 yields a ratio of wetted…
  • p. 43 …1966 Standard Atmosphere Supplement 1959 Selected Meridional Cross sections of the Northern Hemisphere NAVAIR-50-1C…
  • p. 55 …Landing Ellipses for Hypersonic Gliders Figure 14 graphically shows the cross (lateral) range and down range…
  • p. 56 …28 Crutchner, Harold L., nselected Meridional Cross Sections ot Heights, Temperatures and Dew Points ot the…
8 March 2010
ICOD: 1 December 2009
DIA-08-1001-006
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Defense
Intelligence
Reference
Document
Acquisition Threat Support
Space Access: Where We've
Been ... and Where We Could
Go
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Report, from the dia collection. The PDF is mirrored here; the original link is under it. 56 pages are in the text index: search them above, or from the library's search.