| Acronym | Meaning |
![](file.png) | CI | Crew Interface |
![](file.png) | CIA | Control Interface Assembly |
![](file.png) | CIA | Controller Interface Assembly |
![](file.png) | CIAP | Climatic Impact Assessment Program |
![](file.png) | CIB | Change Impact Board |
![](file.png) | CIB | Change Implementation Board |
![](file.png) | CIC | Command Interface Control |
![](file.png) | CIC | Control And Information Center |
![](file.png) | CICC | Cargo Integration Control Center |
![](file.png) | CICU | Communication Interface Control Unit |
![](file.png) | CICU | Computer Interface Conditioning Unit |
![](file.png) | CICU | Computer Interface Control Unit |
![](file.png) | CID | Computer Interface Device |
![](file.png) | CIDL | Configuration Item Data List |
![](file.png) | CIDR | Critical Intermediate Design Review |
![](file.png) | CIE | Communications Interface Equipment |
![](file.png) | CIF | Central Instrumentation Facility |
![](file.png) | CIG | Cable Integrity Group |
![](file.png) | CIG | Communications And Interface Group |
![](file.png) | CIL | Critical Items List |
![](file.png) | CIM | Computer Input Multiplexer |
![](file.png) | CIN | Change Identification Number |
![](file.png) | CIR | Cargo Integration Review |
![](file.png) | CIR | Circle |
![](file.png) | CIR | Circulate |
![](file.png) | CIR | Configuration Inspection Report |
![](file.png) | CIRC | Circularization Burn |
![](file.png) | CIRCUM | Circumference |
![](file.png) | CIRHS | Critical Items And Residual Hazards List |
![](file.png) | CIS | Central Integration Site |
![](file.png) | CIS | Change Impact Summary |
![](file.png) | CIS | Communication Interface System |
![](file.png) | CIS | Communications Interface System |
![](file.png) | CIS | Component Identification Sheet |
![](file.png) | CIS | Contractor's Information Submittal |
![](file.png) | CISS | Centaur Integrated Support Structure |
![](file.png) | CIT | Critical Item Tag |
![](file.png) | CITE | Cargo Integration Test Equipment |
![](file.png) | CITE | Cargo Integration Test Equipment |
![](file.png) | CIU | Communication Interface Unit |
![](file.png) | CIU | Computer Interface Unit |
![](file.png) | CIU | Controller Interface Unit |
![](file.png) | CIVT | Cargo Interface Verification Test |
![](file.png) | CK | Check |
![](file.png) | CKAFS | Cape Kennedy Air Force Station (Changed To CCAFS) |
![](file.png) | CKPT | Checkpoint |
![](file.png) | CKRA | Cape Kennedy Reference Atmosphere (Changed To CCR |
![](file.png) | CKS | Checks |
![](file.png) | CKT | Circuit |
![](file.png) | CL | Centerline |