| ACT |
Assistant Chief Technologist (Peter Hughes for ISD) |
| AIST |
Advanced Information Systems Technology |
| AO |
Announcement of Opportunity |
| B&P |
Bid & Proposal (funding category) |
| CAN |
Cooperative Agreement Notice |
| CETDP |
Cross-Enterprise Technology Development Program |
| CIO |
Chief Information Officer |
| ESE |
Earth Science Enterprise |
| ESTO |
Earth Science Technology Office |
| HEDS |
Human Exploration and Development of Space Enterprise |
| IS |
Intelligent Systems Program |
| ISE |
Intelligent Synthesis Environment |
| LOI |
Letter of Intent |
| NBC |
New Business Committee |
| NRA |
NASA Research Announcement |
| NTPIO |
NASA Technology Planning and Integration Office |
| OCT |
Office of the Chief Technologist |
| OSS |
Office of Space Science |
| SOMO |
Space Operations Management Office |
| SSE |
Space Science Enterprise |
| TLD |
Target Launch Date |
| TRL |
Technology Readiness Levels |
