Sentence:  If we stop thinking in terms of tremendous multimegaton nuclear weapons and consider <WSD>employing</WSD> much smaller nuclear weapons which may be more appropriate for most important military targets , it would seem that the B-52 or B-70 could carry a great many small nuclear weapons . 
Meaning of the word marked with <WSD> tags:  put into service; make work or employ for a particular purpose or for its inherent or natural purpose