| Acronym | Meaning |
![](file.png) | PC | Printed Circuit (Card) |
![](file.png) | PC | Project Control |
![](file.png) | PC | Pulsating Current |
![](file.png) | PCA | Pitch Control Assembly |
![](file.png) | PCA | Pneumatic Control Assembly |
![](file.png) | PCA | Pneumatic Control Assembly |
![](file.png) | PCA | Point Of Closest Approach |
![](file.png) | PCA | Power Control Assembly |
![](file.png) | PCA | Power Controller Assembly |
![](file.png) | PCB | Power Circuit Breaker |
![](file.png) | PCB | Power Control Box |
![](file.png) | PCB | Printed Circuit Board |
![](file.png) | PCB | Product Configuration Baseline |
![](file.png) | PCC | Pad Control Center |
![](file.png) | PCC | Payload Control And Checkout |
![](file.png) | PCC | Production Control Centers |
![](file.png) | PCCB | Program Configuration Control Board |
![](file.png) | PCCE | Payload Common Communication Equipment |
![](file.png) | PCCM | Program Change ControlManagement |
![](file.png) | PCCN | Provisioning Contract Control Number |
![](file.png) | PCCP | Preliminary Contract Change ProPosal |
![](file.png) | PCD | Procurement Control Document |
![](file.png) | PCDU | Payload Command Decoder Unit |
![](file.png) | PCEM | Propulsion Contamination Effects Module |
![](file.png) | PCF | Payload Control Facility |
![](file.png) | PCG | Phonocardiogram |
![](file.png) | PCI | Peripheral Controller Interface |
![](file.png) | PCI | Procedure Change Unit |
![](file.png) | PCI | Product Configuration Identification |
![](file.png) | PCI | Program Control Input |
![](file.png) | PCIL | Pilot-Controlled Instrument Landing |
![](file.png) | PCIN | Program Change Identification Number |
![](file.png) | PCIN | Program Change Integration |
![](file.png) | PCL | Pallet Coolant Loop |
![](file.png) | PCL | Power Control List |
![](file.png) | PCL | Primary Coolant Line |
![](file.png) | PCL | Primary Coolant Loop |
![](file.png) | PCL | Programming Check List |
![](file.png) | PCM | Power Control Mission |
![](file.png) | PCM | Pulse Code Modulation |
![](file.png) | PCM | Pulse Code Modulation |
![](file.png) | PCM | Pulse Code Modulator |
![](file.png) | PCM | Punch Card Machine |
![](file.png) | PCM | E Pulse-Code Modulation Event |
![](file.png) | PCMD | Pulse-Code Modulation |
![](file.png) | PCMMU | PCM Master Unit |
![](file.png) | PCMMU | Pulse Code Modulation Master Unit |
![](file.png) | PCMMU | Pulse-Code Modulation Master Unit |
![](file.png) | PCMS | Pulse-Code Modulation Shared |
![](file.png) | PCN | Page Change Notice |