Congressional Research Service 
Catholic Relief Services 
Change Requests 
Centrex Resale Service 
Community Rating System 
Configuration Report Server 
Can't Remember Shit 
Central Reservation System 
Console Replacement System 
Cell Relay Service 
Community Relations Service 
Computer Resources Support 
Course 
Centralized Results System 
Chairmans Readiness System 
CHRIS CRAFT 
Cluster Ready Services 
Coast Radio Station 
coastal radio station 
COMMAND READOUT STATION 
Commercial Resupply Services 
Commonwealth Rehabilitation Service 
Computer Reservation System 
Controlled Release Society 
cosmic ray source 
Cosmic Ray Subsystem 
Cross 
Current Readiness System 
Can't remember stuff 
Centrex Resale Services