NBC shelter

bomb proof shelter / bombproof shelter

collective NBC protection

collective NBC protective equipment

deployable NBC analytical laboratory

hazardous levels of NBC contamination

NBC = nuclear, bacteriological, chemical

NBC attack

NBC defense

NBC environment

NBC event response team

NBC fire

NBC protection company

NBC protection system

NBC protective posture

NBC reconnaissance

NBC release other than attack (ROTA)

NBC release other than attack

NBC samples

NBC situation

NBC weapons

nuclear, bacteriological, chemical (NBC) defense

nuclear, biological and chemical weapons (NBC)

nuclear, biological, and chemical (NBC) reconnaissance

NBC defense troops

atomic shelter

bomb shelter

covered shelter

deployable rapid assembly shelter (DRASH)

hardened aircraft shelter (HAS)

improvised unventilated shelter

lightweight weather tight shelter

personnel shelter