The Defense Department and the intelligence community are exploring the feasibility of developing a radically new array of sensors capable of detecting odors, DNA samples shed by individuals and acoustic emissions, all of which could be useful in identifying and locating enemy personnel. Kenneth Krieg, the Pentagon's acquisition executive, and Eric Haseltine, associate director of national intelligence for science and technology, on Feb. 22 established a joint Defense Science Board and National Intelligence Task Force on "Detection of Unexploited Signatures...
