The Department of Defense has released an annual report to Congress on the military and security situation in North Korea. The report, entitled Military and Security Developments Involving the Democratic People's Republic of Korea 2013, was published on February 4, 2014. The report provides an assessment of the security situation on the Korean Peninsula, factors shaping the North Korean security and military strategy, trends in North Korean security, doctrine, capabilities, and other military security developments. The report is an Adobe Acrobat PDF, is 22 pages
long, and less than 1 MB big. It can be read online or downloaded from a DoD website at the link below.