NASA Life Cycle

Question 1

Pre-Phase A:

Answer 1

Concept studies: Devise various feasible concepts and alternatives

Question 2

Phase A:

Answer 2

Concept and technology development: Develop baseline concept, begin development of technologies

Question 3

Phase B:

Answer 3

Preliminary design and technology completion: Establish initial baseline in detail. “flow down requirements (PDR’s)

Question 4

Phase C:

Answer 4

Final design and fabrication: Establish complete design, fabricate hardware and software (CDR)

Question 5

Phase D:

Answer 5

System assembly, integration and test, and launch: Concludes with a system capable of meeting requirements (RR’s)

Question 6

Phase E:

Answer 6

Operations and sustainment: Conduct the mission, evolution but no major changes

Question 7

Phase F:

Answer 7

Closeout: Decommissioning, disposal, data analysis.