(redirected from Non Commissioned Officer's School)
NCOSNational Commission on Space (US NASA)
NCOSNetwork Client Operating System
NCOSNon Concurrent Operating System
NCOSNetwork Computer Operating System
NCOSNetwork Class Of Service (Northern Telecom)
NCOSNational Centre for Development Cooperation
NCOSNational Chief of Staff
NCOSNational Capitol Orchid Society
NCOSNon Commissioned Officer's School
NCOSNational Council on Stuttering
NCOSNorth Carolina Optometric Society
NCOSNumbered Class Of Service