German defense officials have flocked to the Pentagon in recent weeks urging U.S. leaders to endorse speedy treatment for technology cooperation related to Berlin's planned lower-tier missile defense system, which is based on a system co-developed by Lockheed Martin, according to sources. Gundbert Scherf, responsible for managing domestic and international weapons acquisitions at the German defense ministry, met with Keith Webster, who heads the international cooperation branch in the office of Pentagon acquisition chief Frank Kendall, to discuss the issue...