| AXL | Aquatic Experimental Lab | unable to verify |
| CABHI | Cooperative Agreements to Benefit Homeless Individuals | unable to verify |
| MCHESS | Manufacturing Center for Harsh Environment Service Systems | unable to verify |
| OPPA | Office of Projects, Partnershis, and Analysis | changed to SWO - Office of Space Weather Observations |
| ORET | Office of Research, Evaluation, and Technology | changed to Office of Research, Evaluation, Forensics and Technology - no acronym |
| OSAAP | Office of System Architecture and Advanced Planning | changed to SAE - Office of Systems Architecture and Engineering |
| OSGS | Office of Satellite Ground Services | changed to OCS - Office of Common Services |
