"One of the brightest, freshest new voices to appear in the international thriller business in a long time." USA TODAY Jack Tannis ended his day like any other. Then the phone rang. The caller, who would not give his name, teased him with another: David Harper. Suddenly, Tannis was thrust back to his days as security director at China Lake, the U.S. Naval Weapons Center. In 1961, duplicates of the first heat-seeking air-to-air missile, the Sidewinder,...