| OAIT |
|
Office Automation and Infrastructure Technology |
| OAR |
|
Office of Atmospheric Research |
| OBC |
|
on-board computer |
| OBW |
|
off bi-weekly |
| OCE |
|
Office of the Chief Engineer |
| OCFO |
|
Office of the Chief Financial Officer |
| OCIO |
|
Office of the Chief Information Officer (DOC) |
| OCS |
|
Office of the Chief Scientist |
| OD |
|
orbit determination |
| ODA |
|
orbital debris assessment |
| ODC |
|
other direct cost |
| OEM |
|
original equipment manufacturer |
| OFI |
|
other functional initiative |
| OGE |
|
Operations Ground Equipment (GOES-I/P) |
| OHA |
|
operations hazard analysis |
| O&M |
|
operations and maintenance |
| OM |
|
Observatory Manager |
| OMAT |
|
Operational Mission Allowable Temperatures |
| OMB |
|
Office of Management and Budget |
| OPS |
|
operations |
| OPSCON / OpsCon |
|
Operations Concept |
| ORA |
|
Office of Research and Applications (NESDIS) |
| ORF |
|
Orbit Reference Frame |
| ORR |
|
Operations Readiness Review |
| ORTT&C |
|
Orbit Raising, Tracking, Telemetry and Command |
| O&S |
|
operations and support |
| OSD |
|
Office of Satellite Development |
| OSD |
|
Office of Systems Development (NESDIS) |
| OSDPD |
|
Office of Satellite Data Processing and Distribution (NESDIS) |
| OSHA |
|
Occupational Safety and Health Administration |
| OSHA |
|
Operating and Support Hazard Analysis |
| OSO |
|
Office of Satellite Operations (NESDIS) |
| OSP |
|
Office of Strategic Planning |
| OSR |
|
optical solar reflectors |
| OSSMA |
|
Office of Systems Safety and Mission Assurance |
| OSY |
|
Office of Security |
| OTS |
|
off-the-shelf |
