| item | description | category | filter | more on... |
| P&M | Performance Monitor | Governmental/NASA |
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| P&M | Phase Modulation (Modulated) | Governmental/NASA |
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| P&M | Planetary Mission | Governmental/NASA |
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| P&M | Preventive Maintenance | Governmental/NASA |
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| P&M | Processes and Materials | Governmental/NASA |
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| P&M | Program Milestone | Governmental/NASA |
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| P&M | Pulse Modulation | Governmental/NASA |
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