A verification review that is conducted during the development stage and is a review of the system design where the system is much more mature and in the final stages of design is referred to as. This serves the purpose of a multi-disciplined technical review to ensure that a system can proceed into fabrication, demonstration, and test and can meet stated performance requirements within cost, schedule, and risk. A successful review is predicated upon a determination that the detailed design satisfies all system requirements as well as cost and acquisition objectives. Often times Multiple reviews may be held for key Configuration Items (CI) and/or at each subsystem level, culminating in a final system level review