| Acronym | Meaning |
![](file.png) | HOSC | Huntsville Operations Support Center |
![](file.png) | HP | Handling Procedure |
![](file.png) | HP | HewlettPackard |
![](file.png) | HPF | Horizontal Processing Facility (O&C) |
![](file.png) | HPFT | High-pressure Fuel Turbopump |
![](file.png) | HPFTP | High Pressure Fuel Turbopump |
![](file.png) | HPG | High Pressure Gas |
![](file.png) | HPGS | High Pressure Gas System |
![](file.png) | HPI | High Performance Insulation |
![](file.png) | HPOP | High Pressure Oxidizer Pump |
![](file.png) | HPOT | High Pressure Oxidizer Turbopump |
![](file.png) | HPOT | High-pressure Oxidizer Turbopump |
![](file.png) | HPOTP | High Pressure Oxidizer Turbopump |
![](file.png) | HPPF | Horizontal Payloads Processing Facility |
![](file.png) | HPR | Hydrogen Pressure Regulator |
![](file.png) | HPRV | Hydrogen Pressure Relief Valve |
![](file.png) | HPS | Hydraulic Power SYstem |
![](file.png) | HPT | High Pressure Test |
![](file.png) | HPU | Hydraulic Power Unit |
![](file.png) | HPU | Hydraulic Power Unit |
![](file.png) | HPV | High Pressure Valve |
![](file.png) | HQ | Headquarters (HDQ Preferred) |
![](file.png) | HQR | Handling Qualities Rating (Cooper-Harper) |
![](file.png) | HR | Historical Record |
![](file.png) | HR | Hour |
![](file.png) | HRAA | High Rate Acquisition Assembly |
![](file.png) | HRC | Hasselblad Reflex Camera |
![](file.png) | HRD | High Rate Dosimeter |
![](file.png) | HRD | High-rate Dosimeter |
![](file.png) | HRDA | High Rate Data Assembly |
![](file.png) | HRDM | High Rate Demultiplexer |
![](file.png) | HRDR | High Rate Digital Recorder |
![](file.png) | HRDS | High Rate Data Station |
![](file.png) | HRIR | High Resolution Infrared Radiometer |
![](file.png) | HRL | Horizontal Reference Line |
![](file.png) | HRM | High Rate Multiplexer |
![](file.png) | HRM | High-rate Multiplexer |
![](file.png) | HRPS | Hazard Reduction Precedence Sequence |
![](file.png) | HRS | Hours |
![](file.png) | HRSI | High Temperature Reusable Surface Insulation |
![](file.png) | HRSI | High-temperature Reusable Surface Insulation |
![](file.png) | HRT | High Resolution Tracker |
![](file.png) | HS | Heat Shield |
![](file.png) | HS | High Speed |
![](file.png) | HS | Horizon Sensor |
![](file.png) | HS-C | Hamilton Standard CO Absorbent Material |
![](file.png) | HSC | Hardware/Software Coordination |
![](file.png) | HSCU | Hydraulic SUPPly And Checkout Unit |
![](file.png) | HSD | Hamilton Standard Division |
![](file.png) | HSD | High Speed Data |