John Company

Department of the Air Force Report, 1996

DOW-UAP-D048 · War Dept. · Sep 10, 1996 · document · 181 pages · Release 1

What the war.gov catalog says

This report describes the Modeling of Unlikely Space-Booster Failures in Risk Calculations, documenting historical launch failure modes and recommending corrective actions to address them using novel modelling techniques.

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From the file

In support of this approach, the following is quoted from the Office of Technology Assessment1report previously referenced: "The only completely objective method of estimating a vehicle's probability of failure is by statistical analysis of number of failures observed in identical vehicles under… p. 24

…is sufficiently robust to include all possible impacts, yet seemingly comports with observed test results. p. 11

…occurrence TP (pitch-over time) and a latest time of occurrence T (burnout, orbital injection,…

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