The report card is mixed regarding next-generation nonkinetic, or limited effects, weaponry developed by the U.S. and its allies. Cyber-warfare turns on three critical aspects--attack, defense and assessment. Information-technology industry officials say attack capabilities are receiving attention and funding. Defenses against cyber-attack have begun attracting support because of persistent adversaries who flourish in the Wild West atmosphere of the Russian and Chinese cyber-worlds. The big shortfall, they agree, is in battle damage assessment (BDA). "I'm trying to render an enemy system nonfunctional with a nonkinetic attack," says John Osterholz, BAE Systems vice president for integrated cyber-warfare and cyber-security. "How do...