Assertion: atom's size | /r/HasProperty | deployed by the five nuclear-weapon states
Facets:
value: under the non-proliferation treaty
type: OTHER
Source sentences:
text: As thermonuclear weapons represent the most efficient design for weapon energy yield in weapons with yields above 50 kilotons of TNT (210 TJ), virtually all the nuclear weapons of this size deployed by the five nuclear-weapon states under the Non-Proliferation Treaty today are thermonuclear weapons using the Teller–Ulam design.