Report of the PRESIDENTIAL COMMISSION
on the Space Shuttle Challenger Accident
![[top] Figure 6. Plot of flights with incidents of O-ring thermal distress as function of temperature.
[bottom] Figure 7. Plot of flights with and without incidents of O-ring thermal distress. NOTE: Thermal distress defined as O-ring erosion, blow-by, of excessive heating.](https://www.nasa.gov/wp-content/uploads/static/history/rogersrep/v1p146.jpg)
[top] Figure 6. Plot of flights with
incidents of O-ring thermal distress as function of
temperature.
[bottom] Figure 7. Plot of flights
with and without incidents of O-ring thermal distress. NOTE: Thermal
distress defined as O-ring erosion, blow-by, of excessive
heating.
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