ViewpointsOpinionThe Defense Screen That Must WorkSavePrintPeople watch as the Ground-based Midcourse Defense (GMD) element of the U.S. ballistic missile defense system launches during a flight test from Vandenberg Air Force Base, Calif., on May 30, 2017. Lucy Nicholson/ReutersDavid O’Connell8/30/2020|Updated: 8/30/2020CommentaryThe Pentagon can’t afford to get it wrong again when it comes to national defense.We had a problem loading this article. Please enable javascript or use a different browser. If the issue persists, please visit our help center.Share this articleLeave a commentDavid O’ConnellAuthorDavid O’Connell is a Republican political strategist living in Dallas, Texas.Related TopicsPentagon