The Army's inaugural Arcane Thunder exercise scheduled for this summer in Germany, Poland and Romania will integrate elements of intelligence, information, cyberspace and electronic warfare. The experiment, scheduled to be conducted in late August and early September, will involve multiple small-unit teams from multidomain operations “in several environments and locations while an increasingly adaptive enemy disrupts and denies” capabilities such as open maneuver, communications and resupply, according to a sources-sought notice posted Feb. 7. The exercise is being directed by...