The probability of occurrence cannot be distinguished from zero.
Unlikely to occur, but possible
** Definitions of descriptive words may have to be modified based on quantity involved.
*** The size of the fleet or inventory and system life cycle should be defined.
Figure 3.2 (Continued): Acceptability Guidelines for Prelaunch Launch Area/Launch Complex Hazard Consequences and Probability Categories
3.3.7. Range Safety shall evaluate all launch vehicle, payload, ground support, and facility systems used on the ranges to test, checkout, assemble, handle, support, or launch space launch vehicles or payloads with regard to their hazard potential and ensure they are designed to minimize risks to personnel and fall within acceptable exposure levels for launch area and launch complex safety.
C
Launch Complex Safety
The following requirements are in addition to those also specifically identified for launch complex safety in 3.2.1 and 3.3 of this volume.
I
3.4.4. When hazards extend to range assets or the general public, the SW Commander has the ultimate responsibility to ensure proper safety through an appropriate level of oversight into payload project operations.