| CAM/CAD | Computer-Aided Design and Computer-Aided Manufacturing |
| CDR | Critical Design Review |
| CMMI® | Capability Maturity Model Integration |
| CMMI-DEV | Capability Maturity Model® Integration® (CMMI®) for Development |
| CMU | Carnegie Mellon University |
| COTS | Commercial-Off-The-Shelf |
| CSCI | Computer Software Configuration Item |
| EDL | Entry, Descent, and Landing |
| EVA | Extra Vehicular Activity |
| FAR | Federal Acquisition Regulation |
| GOTS | Government-Off-The-Shelf |
| HQ CE | NASA Headquarters' Chief Engineer |
| HQ CSMA | NASA Headquarters' Chief Safety and Mission Assurance |
| HWCI | Hardware Configuration Item |
| I/O | Input/Output |
| IEEE | Institute of Electrical and Electronics Engineers |
| IPEP | IV&V Project Execution Plan |
| ITMRA | Information Technology Management Reform Act |
| IV&V | Independent Verification and Validation |
| MOTS | Modified-Off-The-Shelf |
| NPD | NASA Policy Directive |
| NPR | NASA Procedural Requirements |
| PDR | Preliminary Design Review |
| R&T | Research and Technology |
| SCAMPI | Standard CMMI® Appraisal Method for Process Improvement |
| SEI | Software Engineering Institute |
| SMA | Safety and Mission Assurance |
| SRR | Software Requirements Review |
| SWE | Software Engineering |
| TA | Technical Authority |
![[NASA Logo]](../Images/nasaball.gif)