From advanced software to autonomous systems to directed energy weapons, the Defense Department lacks the adequate tools, ranges and skills to fully vet many emerging technologies Pentagon leaders say are crucial to renewed great power competition, according to DOD's head of operational testing. In his office's fiscal year 2018 report, Director of Operational Test and Evaluation Robert Behler writes, "the accelerating pace of emergent technologies will challenge T&E in new ways." He points to the Pentagon's emphasis on technologies such...