CNRL means Communications and Navigation Research Laboratory in NASA
Similar to CNRL
ACBM - Active Common Berthing MechanismACC - Aft Cargo Carrier
ACCA - Automatic Cloud Cover Assessment
ACCMS - Advanced Checkout, Control, and Maintenance System
ACCS - Advanced Checkout and Control System
ACE - Advanced Composition Explorer
ACE - Apollo Checkout Equipment
View all in NASA