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Currently, there is an increasing interest in multiple autonomous mobile robot systems due to their applicability to various tasks such as space missions, operating in hazardous environments, and military operations.

A. operating in hazardous environments, and military operations - "oparating in ..." modifies preceding clause, "and military opeations" is LIST - Correct
B. operations in hazardous environments, and in military operations. - Not parallel
C. and operations in military or hazardous environments. - space missions and operations in military - not parallel
D. operations in hazardous environments, and operations that are military. - seems everything is ok, but in "and operations that are military" "that" is redundend
E. military and hazardous environments operations. - meaning changed
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