The envoy will also facilitate the transfer of detainees from the controversial prison.
Secretaries Kerry and Hagel are in Japan to discuss an array of security issues, including North Korea’s missile threats.
“This seriously damages our ability to ensure the safety and security of our citizens,” said Director of National Intelligence James Clapper.
Defense Secretary Chuck Hagel said Tuesday that he is looking into ways to exempting more civilian DoD employees from the mandatory furloughs caused by the federal government shutdown, which took effect at midnight.
The proposal was passed in the House on Sunday.
Secretary of Defense Chuck Hagel will be visiting South Korea and Japan over the next six days engaging in security meetings and greeting U.S. military personnel.
“People are worrying about if their paychecks are going to be delayed rather than focusing on their mission,” the Pentagon’s Comptroller notes.
There will be an independent review as well as two others lead by the Defense Department and the Navy.
The move is a response to last year’s terrorist attacks in Benghazi, Libya, which killed four Americans, including former Ambassador Christopher Stevens.
Aaron Alexis, the accused gunman in Monday’s shooting at the Washington, D.C. Navy Yard, received two medals while serving as a full-time Navy reservist between 2007 and 2011.