The Pentagon's acquisition chief has directed an influential advisory panel to wrestle with one of the most vexing challenges to U.S. military dominance -- how to avoid being caught flatfooted by an adversary wielding an unexpected capability that could cancel out the advantages of the world's most advanced armed forces. John Young, under secretary of defense for acquisition, technology and logistics, has commissioned the Defense Science Board to conduct a summer study that examines the issue of "capability surprise," as...
