D&V - Demonstration and Validation DCN - Drawing Change Notice DTP - Detail Test Plan EC - Essentiality Code CSR - Crew Station Review CVR - Change Verification Record DAL - Data Acquisition List DAR - Drawing Analysis Record DDR - Data Discrepancy Report DP - Delayed Procurement ECA - Engineering Change Analysis ES - Experiment Segment ESOW - Engineering Statement of Work DLSSO - Defense Logistics Standard Systems Office DORAN - Doppler range and navigation DMMIS - Depot Maintenance Management Information System
