Secretary Hagel announces a change in the U.S. missile defense deployment Secretary of Defense Chuck Hagel announces a change in the U.S. missile defense deployment during a Pentagon press briefing on March 15, 2013. Hagel told reporters that the Department of Defense would increase missile defense investments in Alaska to counter the threat from North Korea. SHARE: Download: Full Size (0.03 MB) Credit: VIRIN: 426430-Y-IGI32-562.jpg Photo Gallery