National Command Authority National Command Authorities National Cemetery Administration Network Computing Architecture Nurse Competence in Aging Noise Control Act National Coal Association National Conservation Area Naval Communications Annex Navy Calibration Activity New Communities Administration North Central Association Northwest Computing Association NASA Communications Architecture National Care Association National Caving Association National Chiropractic Association National Convergence Alliance National Council on Alcoholism National Coverage Analysis National Credentialing Agency Neutralized current acid neutrophil chemotactic activity Nippon Cargo Airlines Non-Call Associated Northwest College of Art Number of Calls Abandoned IATA code for MCAS New River, Jacksonville, North Carolina, United States Naphthalene Carbonic Acid NASA Cooperative Agreement Nashua Christian Academy National Cancer Act National Canine Association National Canners Association National Capital Area National Capitol Area National Centre of Accreditation National Certificate in Agriculture National Certification Agency National Childcare Association
National Command Authority
National Cemetery Administration