1.%20dia

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• Milestones - PDR Preliminary Design Review
• SCR System Concept Review - CRD Critical
  Design Review
• SRR System Requirements Review -
  MRR Manufacturing Readiness Review
• SDR System Definition Review - TRR Test
  Readiness Review
• SSR System Specification Review - DRB
  Delivery Review Board

TENDERS
PDR
CDR
MRR
TRR
DRB
SCR
SRR
SDR
SSR
Phase A Concept Preliminary Analysis
Phase F Disposal
Phase B Definition
Phase C/D Design Development Production
Phase E Operations

• DesignProduction
• create subsystems
• Invitation To Tender (ITT)
• design equipments
• select materials, processes
• procurement
• manufacturing
• tests
• - integration

• Mission
• launch
• cruise
• experiments/services
• data acquisition
• data analysis

• Preliminary Plan
• what to build
• when to launch
• mission
• lifetime

• Converting the preliminary plan into a baseline
  technical solution
• - define requirements (SRR)
• determine schedule
• specifications to initiate system design and
  development (SSR)