| Abbreviation | Definition |
|---|---|
| PSPS | Psychological Operations (PSYOP) Studies Program Subsystem |
| PSPT | Precision Spot Positioning Tracker |
| PSQ | Program Site Visit Questionnaire |
| PSR | Patient Summary Report |
| PSR | Periodic Safety Review |
| PSR | Personnel Status Report |
| PSR | Program Status Report |
| PSR | Program Status Review |
| PSRC | Presidential Selected Reserve Call-Up |
| PSRD | Personnel Shipment Readiness Date |
| PSRO | Passenger Standing Route Order |
| PSRS | Preliminary Software Requirements Specification |
| PSRS | Prepared Shelter Recovery System |
| PSRS | Prepared Shelter System |
| PSS | Parallel Single-Unit Spiral |
| PSS | Passive Sensor System |
| PSS | perceived stress scale |
| PSS | Personnel Service Support |
| PSS | Personnel Services Support |
| PSS | Personnel Support Summary |