MIL-STD-1540D
b. Transportation, pre-mission processing and checkout at the launch site,
c. The mission, including unique characteristics of the launch vehicle, space vehicle, space environment, and age related influences,
d. Other factors as shown in Table A-1.
5.4.2.1.3 Test for Risk Mitigation. In addition to analysis, tests shall be conducted to identify design deficiencies at the unit, subsystem or system level of assembly whenever the program identifies the need to mitigate any of the following product design and development risks:
a. Mitigate technical risk - the program is planning to use new hardware designs or new manufacturing processes that will produce a product that has unproven design margins and unverified performance characterics;
b. Mitigate cost and schedule risk - the program determines that they will not be able to recover, to the procuring agency's satisfaction, from identifying a design or process deficiency late in the product development process, i.e., the cost and schedule required to identify and implement corrective actions during the qualification program would adversely
impact the program schedule or the overall cost to develop the product.
See Tables A1, A2 and A3 for factors relating tests to various development and manufacturing process risk.
5.4.2.2 Hardware Acceptance. Acceptance tests, inspections and procedures shall be developed for hardware ranging from units through integrated systems. The verification objective is to demonstrate that flight items are free of defects and integration errors and are ready for operational use. This phase also includes recertification in case the flight configuration is disassembled due to failure or repair actions. Appendix A provides guidance that is intended to help in developing hardware acceptance test requirements for a particular program.
5.4.2.2.1 Acceptance Test Requirements Acceptance test requirements for product verification shall be developed for units, subsystems and vehicles to
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