This definition appears very rarely
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Samples in periodicals archive:
JPM NBC Contamination Avoidance (JPM NBC CA) Mission The Joint Project Manager for Nuclear, Biological and Chemical Contamination Avoidance is responsible for the development, production, integration, testing and fielding of NBC detection, obscuration and reconnaissance systems. We ensure that our system developments, integration efforts and services focus on the Joint Warfighter's needs within cost, schedule, performance and risk.