| item | description | category | filter | more on... |
| PDRS | Payload Data and Retrieval System | Governmental/NASA |
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| PDRS | Payload Deployment and Retrieval System | Governmental/NASA |
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| PDRS | Payload Deployment and Retrieval System(s) | Governmental/NASA |
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| PDRS | Permanent Disability Rating Schedule | Governmental/US Gov. |
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