Match the following key milestone events with the expected result of each milestone.

- A. B. C. D.	Systems Requirements Review (SRR) and / or Systems Functional Review (SFR).
- A. B. C. D.	Preliminary Design Review (PDR).
- A. B. C. D.	Critical Design Review (CDR).
- A. B. C. D.	Functional Configuration Audit (FCA).

A.	Establishes the Allocated Requirements Baseline and the Preliminary Design of the proposed subsystems.
B.	Establishes the Product Requirements Baseline and the Detailed Design of the proposed system components.
C.	Establishes the Functional Requirements Baseline and the Conceptual Design of the proposed system.
D.	Verifies the as built configuration of the system matches user documentation and design artifacts.