Defensive measures that enable friendly forces to survive, fight, and win against enemy use of nuclear, biological, or chemical (NBC) weapons and agents. US forces apply NBC defensive measures before and during integrated warfare. In integrated warfare, opposing forces employ nonconventional weapons along with conventional weapons (NBC weapons are nonconventional). See also integrated warfare. (JP 3-11)
NUCLEAR, BIOLOGICAL, AND CHEMICAL DEFENSE
Meaning of NUCLEAR, BIOLOGICAL, AND CHEMICAL DEFENSE in English
DOD English dictionary of military terms. Английский словарь военных терминов DOD. 2012