Assertion: ballistic missile's stage | /r/HasProperty | powered by a 460-ton-thrust motor
Facets:
value: with four combustion chambers
type: OTHER
Source sentences:
text: This missile, using dinitrogen tetroxide (N2O4) and heptyl (a UDMH [unsymmetrical dimethyl hydrazine] compound) has a first stage powered by a 460-ton-thrust motor with four combustion chambers, and the second by a single-chamber 77-ton-thrust motor.