Alternative Systems Review (ASR)
The ASR is a technical review completed prior to Milestone-A  which assesses the preliminary materiel solutions that have been developed during the Materiel Solution Analysis (MSA) phase. The reviews examines each proposed materiel solution(s) to see which one has the best potential to be cost effective, affordable, operationally effective and suitable, and can be developed in a timely manner with an acceptable level of risk. The information obtained from the ASR is used in the Milestone-A review to determine if the solutions(s) under review can proceed into the Technology Maturation & Risk Reduction (TD) Phase.

System Requirements Review (SRR)
The SRR is a technical review conducted during the Technology Maturation & Risk Reduction (TD) Phase to determine the progress a program has made in defining system level requirements. This review determines the progress of the systems engineering effort and if the effort is on track with meeting the capability needs defined in the Initial Capabilities Document (ICD). The SRR is used during the Milestone-B review to determine if a program can process into the Engineering, Manufacturing and Development (EMD) Phase.

Preliminary Design Review (PDR)
The PDR is a technical review conducted during the Technology Maturation & Risk Reduction (TD) Phase to determine if a system is ready to proceed into detailed design.  It determines if the current preliminary system design meets the stated performance requirements within cost, schedule and risk. It also ensures that each function in the functional baseline has been allocated to one or more system configuration items.

Critical Design Review (CDR)
The CDR is a technical review conducted during the Engineering, Manufacturing and Development (EMD) Phase to determine if a system can proceed into fabrication, demonstration, and test and can meet the stated performance requirements within cost, schedule, and risk.  This review assesses the system final design for each configuration item in the system’s product baseline to ensure it has been captured in the detailed design documentation.

Production Readiness Review (PRR)
The PRR review examines a program to determine if the design is ready for production. It determined if the prime contractor and subcontractors have accomplished production planning without incurring unacceptable levels of risks that will breach thresholds of schedule, performance and cost. The review evaluates the production-configured system to determine if it meets all system requirements and that those requirements are traceability to the final production system.

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Updated: 7/11/2017     

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