Corrections.

• Position: SECURITY BEAT: HOMELAND DEFENSE BRIEFS - Correction notice

In the July 2009 Security Beat story, "Failures Reported in Key Component of U.S.-Mexico Electronic Fence," the name of the Secure Border Initiative Executive Director, Mark Borkowski, was spelled incorrectly.

In the July 2009 story, page 34, "Unmanned Systems Could Fly Majority of Air Force Missions," the name of the Unmanned Aircraft...