nuclear test below 4.75

breech block pivoted below the level of the chamber

echelon corps and below (ECB)

Force Battle Command Brigade-and-Below (FBCB2)

get below ground

below minima weather

the weather below minima

nuclear suitcase bomb; man-portable nuclear weapon

Comprehensive Nuclear Test-Ban Treaty (CTBT)

nuclear weapon test

air-dropped nuclear test

nuclear test

nuclear test ban

nuclear test equipment

nuclear test moratorium

nuclear underground test

shear test / shearing test

stall test / stalling test

atomic / nuclear weapons

atomic demolition munition(s) (ADMs), ‘nuclear land mines’

chemical, biological, radiological and nuclear (CBRN)

chemical, biological, radiological and nuclear centre

chemical, biological, radiological and nuclear surveillance

chemical, biological, radiological and nuclear weapons

conventional and nuclear fires

deployment of nuclear missiles

deterrence of a nuclear war

effects of nuclear burst

emergency destruction of nuclear weapons

emergency nuclear risk

Group on Nuclear Weapons (NATO)

guided missile cruiser nuclear propulsion (CGN)

high-altitude nuclear burst