| P/CAP |
Preventative and Corrective Action Process |
| P&D |
Playback and Display |
| P&M |
Parts and Materials |
| P&TC |
Peripheral and Thermal Control |
| P3I or P3I |
Pre-Planned Product Improvement |
| PA |
Performance Assurance |
| PA |
Project Authorization |
| PA |
Property Administrator |
| PA&R |
Program Audit and Review (OSMA) |
| PAAD |
Point and Alignment Allocation Document |
| PAC |
Post-Award Conference |
| PACR |
Planned Activity Change Request |
| PACS |
Physical Access Control Systems |
| PAD |
Pitch-Angle Distributions |
| PAF |
Payload Attachment Fitting |
| PAIP |
Product Assurance and Implementation Plan |
| PaL |
Pause and Learn |
| PAL |
Product Area Lead (NASA) |
| PAM |
Pluggable Authentication Module |
| PAPL |
Project Approved Parts List |
| PAR |
Photosynthetically Active Radiation |
| PAR |
POSST Anomaly Report |
| PATRON |
Product Anomaly, Ticket, Relationship, Organization, and Notification |
| PB |
Petabyte (10E15 bytes) |
| PBL |
Product Baseline |
| PBM |
Program Business Manager |
| PBMA |
Process Based Mission Assurance |
| PBX |
Private Bench Exchange |
| PC |
Property Custodian |
| PC |
|
| PCA |
Physical Configuration Audit |
| PCA |
Primer Chamber Assembly |
| PCA |
Principle Component Analysis |
| PCA |
Program/Project Commitment Agreement |
| PCA |
Project Control Administrator |
| PCB |
Parts Control Board |
| PCB |
Printed Circuit Board |
| PCC |
Program Cost Commitment |
| PCCB |
Program/Project Configuration Control Board |
| PCI |
Peripheral Component Interconnect |
| PCLD |
Probably Cloudy Restoral Test |
| PCLR |
Probably Clear Restoral Test |
| PCM |
Process Compliance Monitor |
| PCM |
Project Control Manager |
| PCO |
Procurement Contracting Officer |
| PCO |
Project Control Office |
| PCP |
Parts Control Program |
| PCRB |
Program Change Review Board |
| PCRT |
Probably Cloudy Restorative Test |
| PCS |
Project Control System |
| PCU |
Power Control Unit |
| PD |
Preliminary Design |
| PD |
Position Description |
| PD |
Process Directive |
| PD |
Product Distribution (Ground Segment Element) |
| PDA |
Percentage of Defectives Allowable |
| PDA |
Product Distribution and Access |
| PDD |
Presidential Decision Directive |
| PDD |
Product and Data Dissemination |
| PDF |
Probability Distribution Function |
| PDG |
Product Distribution Grid |
| PDL |
Product Development Lead |
| PDL |
Program Design Language |
| PDM |
Physical Data Model |
| PDM |
Product Data Management |
| PDM |
Power Distribution Module |
| PDP |
Policy Decision Point |
| PDR |
Preliminary Design Review |
| PDR/KDP-C |
Preliminary Design Review/Key Decision Point – C |
| PDRR |
Program Definition and Risk Reduction |
| PDS |
Protected Distribution System |
| PDSS |
Product Data Storage Subsystem |
| PDT |
Product Design Team |
| PDT |
Product Development Team |
| PDU |
Power Distribution Unit |
| PDV |
Packet Delay Variable |
| PE |
Physical and Environmental Control/Protection |
| PE |
Pivotal Event |
| PE |
Program Executive |
| PE |
Project Engineering |
| PE |
Project Event |
| PEAP |
Protected Extensible Authentication Protocol |
| PEB |
Performance Evaluation Board |
| PEB |
Power Electronics Box |
| PEM |
Plastic encapsulated microcircuits |
| PEM |
Project Engineering Metrics |
| PEP |
Policy Enforcement Point |
| PER |
Pre-Environmental Review |
| PERSIANN |
Precipitation Estimation from Remotely Sensed Information using Artificial Neural Networks |
| PES |
Performance Evaluation System |
| PETE |
Program End-to-End |
| PFA |
Performance Flow Analyzer |
| PFA |
Program Finance Administrator/Analyst |
| PFAAST |
Pressure layer Fast Algorithm for Atmospheric Transmittances |
| PFD |
Power Flux Density |
| PFI |
Percent Fully Implemented |
| PFM |
Proto Flight Model |
| PG |
Procedures and Guidelines |
| PG |
Product Generation (Ground Segment Element) |
| PG |
Proving Ground |
| PGAA |
Performance and Guidance Accuracy Analysis |
| PGEB |
Proving Ground Executive Board |
| PGIM |
Product Generation Infrastructure Management |
| PGINCR |
Product Generation Increment |
| PGLM |
Pseudo Geostationary Lightning Mapper |
| PGM |
Pragmatic General Multicast |
| PGSM |
Product Generation Service Manager |
| PGPP |
Proving Ground Program Plan |
| PH |
Price History |
| PHA |
Preliminary Hazard Analysis |
| PHA |
Pulse Height Analysis |
| PHB |
Per Hop Behavior |
| PHSL |
Program Hardware Software List |
| PHST |
Packaging, Handling, Shipping and Transportation |
| PI |
Partially Implemented |
| PI |
Payload Interface |
| PI |
Principal Investigator |
| PIA |
Privacy Impact Assessment |
| PID |
Proportional Integral Derivative |
| PID |
Process Identifier |
| PIFE |
Payload Interface Force and Torque |
| PIFT |
Predicted Interface Force and Torque |
| PII |
Personally Identifiable Information |
| PIID |
Practice Implementation Indicator Description |
| PIL |
Parts Identification List |
| PIND |
Particle Impact Noise Detection |
| PIOMAS |
Pan-Arctic Ice-Ocean Modeling and Assimilation System |
| PIR |
Precision Infrared Radiometer |
| PIRATA |
Prediction and Research Moored Array in the Atlantic |
| PIRATE |
Pre-Incident Report Anomaly Triage and Exploration |
| PIREPS |
Pilot Reports |
| PLAR |
Post-Launch Acceptance Review |
| PLB |
Personal Locator Beacons |
| PLC |
Programmable Logic Controllers |
| PLI |
Percentage Largely Implemented |
| PLISN |
Provisioning List Sequence Number |
| PLM |
Product Level Metadata |
| PLN |
Plan |
| PLOD |
Pressure Layer Optical Depth |
| PLPT |
Post-Launch Product Test |
| PLT |
Post-Launch Test |
| PLU |
Post-Launch Update |
| PM |
Particulate Matter |
| PM |
Payload Module |
| PM |
Product Monitor (Mission Management) |
| PM |
Program Management |
| PM |
Project Manager |
| PM |
Propulsion Module |
| PMA |
Preliminary Mission Analysis |
| PMAM |
Program Mission Assurance Manager |
| PMB |
Performance Measurement Baseline |
| PMC |
Program Management Council (NOAA) |
| PMC |
Pyro-Monitor Console |
| PMCB |
Parts and Materials Control Board |
| PMCP |
Parts and Materials Control Plan |
| PMD |
Program Management Directive |
| PMD |
Propellant Management Device |
| PMEF |
Primary Mission-Essential Functions |
| PMI |
Preventative Maintenance and Inspection |
| PMO |
Program Management Office |
| PMO |
Project Management Organization |
| PMP |
Parts and Materials Program |
| PMP |
Project Management Plan |
| PMPCB |
Parts and Materials Processes Control Board |
| PMR |
Program Management Review |
| PMR |
Project Management Review |
| PMSR |
Project Management Status Review |
| PMSR |
Program Management Status Review |
| PMT |
Photo-Multiplier Tube |
| PMU |
Personal Maintenance Unit |
| PNG |
Portable Network Graphics |
| PNI |
Percent Not Implemented |
| PO |
Product Operator |
| POA |
Point of Authority |
| POA&M |
|
| POC |
Point of Contact |
| POC |
Proof of Concept |
| POD |
Probability of detection |
| POD |
Product Operations Directive |
| POES |
Polar Operational Environmental Satellites |
| POID |
Probability of Incorrect Detection |
| POL |
Polarity/Polarization |
| PON |
Positive Orbit Normal |
| POP |
Parallel Ocean Program |
| POP |
Period of Performance (contract) |
| POP |
Point of Presence (network) |
| POP |
Program Operating Plan |
| POR |
Power On Reset |
| PORD |
Performance and Operational Requirements Document |
| POSIX |
Portable Operating System Interface (for UNIX) |
| POSST |
Product Operations Science Support Team |
| POST |
Power on self test |
| PP |
Product Performance |
| PP |
Project Plan |
| ppb |
Parts per billion (1E-9) |
| PPBES |
Planning, Programming, Budgeting and Execution System |
| PPC |
PowerPC |
| PPE |
Personal Protective Equipment |
| PPE |
Project Parts Engineer |
| PPF |
Payload Processing Facility |
| PPG |
Product Processing Grid |
| PPI |
Percent Partially Implemented |
| ppm |
parts per million |
| PPM |
Product Performance Monitor |
| PPRD |
Payload Processing Requirements Document |
| PPS |
Payload Power Supply |
| PPS |
Pulse per second |
| PPZ |
Product Processing Zone |
| PQD |
Product Quality Database |
| PQ Db |
Product Quality Database |
| PQI |
Product Quality Information |
| PQL |
Product Quality Lead |
| PQR |
Post-Qualification Test Review |
| PR |
Peer Review |
| PR |
Program Review |
| PR |
Project Risk |
| PRA |
Probabilistic Risk Assessment |
| PRA |
Pyrotechnic Relay Assembly |
| PRAD |
Payload Resource Allocation Document |
| PRB |
Process Review Board |
| PRD |
Program Requirements Documents |
| PREL |
Pre-Launch |
| PRE-MSR |
Pre-Monthly Status Review |
| PRF |
Performance Requirements For |
| PRH |
Peer Revie Handbook |
| PRIMX |
Program Risk Information Management exchange |
| PRM |
Processor Redundancy Management |
| PRM |
Program Records Management |
| PRN |
Pseudo Random Number/Noise |
| PROM |
Programmable Read Only Memory |
| PRR |
Project Requirements Review |
| PRT |
Platinum Resistance Thermometers |
| PRT |
Program Review Template |
| PS |
Procurement Specification |
| PSA |
Parts Stress Analysis |
| PSB |
Power Supply Box |
| PSD |
Power Spectral Density |
| PSDF |
Product Sectorization and Data Formatting |
| PSE |
Program System Engineering |
| PSF |
Point Spread Function |
| PSH |
Percent Software Hazards |
| Psi |
Pound per square inch |
| PSK |
Phase Shift Key/Keying |
| PSM |
Project Safety Manager |
| PSM |
Project Support Manager |
| PSO |
Project Science Office |
| PSPEC |
Performance Specification (SC/MAG F&PS) |
| PSPVR |
Peer-Stakeholder Product Validation Review |
| PSR |
Pre-Shipment Review |
| PSR |
Project Status Review |
| PSS |
Propulsion SubSystem |
| PSTR |
Pre-Storage Review |
| PSU |
Personal Safety Unit |
| PTA |
Privacy Threshold Analysis |
| PTB |
Project Team Building |
| PTC |
Passive Thermal Control |
| PTC |
Photon Transfer Curves |
| PTD |
Provisional Technical Documentation |
| PTF |
PLT Test Form |
| PTM |
Proto Type Model |
| PTO |
Parallel Test and Operations |
| PTP |
Parallel Tools Platform |
| PTP |
Periodic Technical Reviews |
| PTP |
Point To Point |
| PTP |
Post Test Review |
| PTP |
Precise/Precision Time Protocol |
| PTP |
Programmable Telemetry Processor |
| PTR |
Post Test Review |
| PTR |
Program Tracking Report |
| PTRD |
Program Tracking Report Document |
| PTRSW |
Program Tracking Report Software |
| PTRSYS |
Program Tracking Report System |
| PTS |
Project Technical Staff |
| PUG |
Product User's Guide |
| PV |
Planned Value |
| PV |
Potential Vorticity |
| PV |
Pyro Value |
| PVM |
Parallel Virtual Machine |
| PVM |
Performance Verification Matrix |
| PVP |
Performance Verification Plan |
| PVT |
Position, Velocity, Time |
| PW |
Precipitable Water |
| PWA |
Printed Wire Assembly |
| PWB |
Printed Wiring Board |
| PWG |
Product Working Group |
| PX |
Positive X (+X) |
| PXE |
Preboot Execution Environment |
| PXI |
Peripheral Component Interconnect (PCI) eXtensions for Instrumentation |
| PY |
Positive Y (+Y) |