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 IMAGE: Download Image: Full Size (0.03 MB) Photo By: VIRIN: 426430-Y-IGI32-562.jpg Photo Gallery