Assertion: trident's missile | /r/CapableOf | be prone to defect
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Source sentences:
text: Their high accuracy (low circular error probable), compared to submarine-launched ballistic missiles which used to be less accurate, and more prone to defects; Their fast response time, compared to bombers which are considered too slow; Their ability to carry multiple MIRV warheads at once, useful for destroying a whole missile field or several cities with one missile.