| Acronym | Meaning |
![](file.png) | HAM | Height Adjustment Maneuver |
![](file.png) | HAP | Hardware Allocation Panel |
![](file.png) | HAS | Holddown Alignment Support |
![](file.png) | HAS | Hydraulic Actuation System |
![](file.png) | HAS | Hydrogen Actuation System |
![](file.png) | HAST | High Altitude Supersonic Target |
![](file.png) | HAW | Hawaii (STDN) |
![](file.png) | HB | Handbook |
![](file.png) | HB | High Bay |
![](file.png) | HBR | High Bit Rate |
![](file.png) | HBT | Heflex Bio-Engineering Test |
![](file.png) | HBW | Hot Bridge Wire |
![](file.png) | HC | Hand Controller |
![](file.png) | HC | Head Count |
![](file.png) | HC | Hybrid Computer |
![](file.png) | HCED | Hand Controller Engage Driver |
![](file.png) | HCF | High Cycle Fatigue |
![](file.png) | HCF | HIM Configuration File |
![](file.png) | HCL | Horizontal Centerline |
![](file.png) | HCM | Hard Copy Module |
![](file.png) | HCMM | Heat Capacity Mapping Mission |
![](file.png) | HCR | High Cross Range |
![](file.png) | HCSI | Hughes Communications Services |
![](file.png) | HCSL | Hybrid Computation And Simulation Laboratory |
![](file.png) | HCU | Hydraulic Charging Unit |
![](file.png) | HCV | Hydrogen Check Valve |
![](file.png) | HD | Heavy Duty |
![](file.png) | HD | Highly Desirable |
![](file.png) | HD | Hoiddown |
![](file.png) | HD | Horizontal Drain |
![](file.png) | HD | Hydrogen Drain |
![](file.png) | HDA | Housekeeping Data Acquisition |
![](file.png) | HDC | Hasselblad Data Camera |
![](file.png) | HDC | HYbrid Device Controller |
![](file.png) | HDDR | High-Density Digital Recorder |
![](file.png) | HDG | Heading |
![](file.png) | HDP | Holddown Post |
![](file.png) | HDQ | Headquarters |
![](file.png) | HDR | High Data Rate |
![](file.png) | HDR | High Data Rate |
![](file.png) | HDRA | High Data Rate Assembly |
![](file.png) | HDRM | High Data Rate Multiplexer |
![](file.png) | HDRR | High Data Rate Recorder |
![](file.png) | HDRR | High-data-rate Recorder |
![](file.png) | HDRSS | High Data Rate Storage System |
![](file.png) | HDS | Hardware DescriPtion Sheet |
![](file.png) | HDST | Headset |
![](file.png) | HDW | Hardware |
![](file.png) | HDWE | Hardware |
![](file.png) | HE | Heat Exchange (Exchanger) |