(This file photo from the last successful test of U.S. missile defense capabilities shows, a ground-based interceptor missile lifts off from Vandenberg AFB in California on December 5, 2008, en route to intercept with and destroy a target missile launched in Alaska several minutes earlier. Since then there have been three failed tests of the system, the most recent on July 5, 2013.) (CNSNews.com) – As the array of foreign missiles capable of reaching the United States grows, four Republican lawmakers are pressing Defense Secretary Chuck Hagel for assurances after a third consecutive failed test of “the only national...