Assertion: neutron bomb's development | /r/CapableOf | turn in the early 1970s attention
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Source sentences:
text: Development of ER warheads for Lance continued, but in the early 1970s attention had turned to using modified versions of the W70, the W70 Mod 3.
text: Development of ER warheads for Lance continued, but in the early 1970s attention had turned to using modified versions of the W70, the W70 Mod 3.