The fracture requirements and their implementation for the design and operation of NASA and hardware are reviewed in this paper. The paper till focus on categories of hardware: ( 1 ) Space payloads which include significant of the international space station under development and (2) flight pressure vessels. The NASA and have developed detailed fracture control requirements for space payloads and pressure vessels and these be discussed in this paper, The paper also discuss the lessons learned in incorporating fracture control requirements in space flight especially in the Space program. INTRODUCTION Fracture control is application of design philoso- phy, analysis method, manufacturing technology, quality assurance, and operating procedures to prevent premature failure of hardware due to the propagation of undetected cracks or crack-like defects (flaws) during fabrication, testing, and handling, and service. Fracture control has been formally implemented in space programs beginning..
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