| Acronym | Meaning |
![](file.png) | SSA | 1/0 GCOS Program Element Name |
![](file.png) | SSAT | Shuttle Service And Access Tower |
![](file.png) | SSAT | SPace Shuttle Access Tower (now FSS) |
![](file.png) | SSB | Single Sideband |
![](file.png) | SSB | Source Selection Board |
![](file.png) | SSBC | Summary Sheet Bar Chart |
![](file.png) | SSC | Shuttle System Contractor |
![](file.png) | SSC | Single-Stage Command |
![](file.png) | SSC | Solid-Solution Cermet |
![](file.png) | SSC | Subsystem Computer |
![](file.png) | SSC | Subsystem Sequence Controller |
![](file.png) | SSC | L Shuttle System Commonality List |
![](file.png) | SSCA | Surface Sampler Control Assembly |
![](file.png) | SSCC | Support Services Control Center |
![](file.png) | SSCHS | Space Shuttle Cargo Handling System |
![](file.png) | SSCP | Small Self-Contained Payloads |
![](file.png) | SSCSP | Space Shuttle Crew Safety Panel |
![](file.png) | SSD | Spacecraft Software Division |
![](file.png) | SSD | System Summary Display |
![](file.png) | SSDD | Software System Design Document |
![](file.png) | SSDH | Subsystem Data Handbook |
![](file.png) | SSDS | Space Station Data System |
![](file.png) | SSE | Space Shuttle Engines |
![](file.png) | SSE | Subsystem Element |
![](file.png) | SSE | SubsYstem Support Equipment |
![](file.png) | SSEOS | Space Shuttle Engineering And Operations Support |
![](file.png) | SSF | SRB Storage Facility |
![](file.png) | SSFGSS | Space Shuttle Flight And Ground System Specification |
![](file.png) | SSFL | Santa Susana Field Laboratory |
![](file.png) | SSFS | Space Shuttle Functional Simulator |
![](file.png) | SSHB | Station Set Handbook |
![](file.png) | SSI | Significant Structural Item |
![](file.png) | SSIBD | Shuttle System Interface Block Diagram |
![](file.png) | SSID | Shuttle Stowage Installation Drawing |
![](file.png) | SSIP | Systems Software Interface Processing |
![](file.png) | SSIS | Space Station Information System |
![](file.png) | SSITP | Shuttle System Integrated Test Plan |
![](file.png) | SSL | System Software Loader |
![](file.png) | SSM | SPacecraft Systems Monitor |
![](file.png) | SSM | Subsystem Manager |
![](file.png) | SSM | Support System Module |
![](file.png) | SSM | Systems Support Module |
![](file.png) | SSM | BSpace Shuttle Maintenance Baseline |
![](file.png) | SSM | ESpace Shuttle Main Engine |
![](file.png) | SSM | EC Space Shuttle Main Engine Controller |
![](file.png) | SSME | Space Shuttle Main Engine |
![](file.png) | SSMECA | Space Shuttle Main Engine Controller Assembly |
![](file.png) | SSMECA | SSM E Controller Assembly |
![](file.png) | SSO | Safety Signification Operation |
![](file.png) | SSO | Source Selection Official |