Military equipment lays in containers aboard a North Korean-flagged ship at the Manzanillo International container terminal on the coast of Colon City, Panama, Tuesday, July 16, 2013. A North Korean ship carrying weapons system parts buried under sacks of sugar was seized as it tried to cross the Panama Canal on its way from Cuba to its home country, which is under a United Nations arms embargo, Panamanian officials said Tuesday. (AP Photo/Arnulfo Franco) (AP2013)
Panamanian presidential security detail walks on the deck aboard a North Korean-flagged ship at the Manzanillo International container terminal on the coast of Colon City, Panama, Tuesday, July 16, 2013. The North Korean ship carrying weapons system parts buried under sacks of sugar was seized as it tried to cross the Panama Canal on its way from Cuba to its home country, which is under a United Nations arms embargo, Panamanian officials said Tuesday. (AP Photo/Arnulfo Franco) (AP2013)
A Panamanian police stands guard in an empty corridor aboard a North Korean-flagged ship at the Manzanillo International container terminal on the coast of Colon City, Panama, Tuesday, July 16, 2013. The North Korean ship carrying weapons system parts buried under sacks of sugar was seized as it tried to cross the Panama Canal on its way from Cuba to its home country, which is under a United Nations arms embargo, Panamanian officials said Tuesday. (AP Photo/Arnulfo Franco) (AP2013)
Military equipment lays in containers aboard a North Korean-flagged ship at the Manzanillo International container terminal on the coast of Colon City, Panama, Tuesday, July 16, 2013. A North Korean ship carrying weapons system parts buried under sacks of sugar was seized as it tried to cross the Panama Canal on its way from Cuba to its home country, which is under a United Nations arms embargo, Panamanian officials said Tuesday. (AP Photo/Arnulfo Franco) (AP2013)
Panama's President Ricardo Martinelli walks up a ramp to the North Korean-flagged ship at the Manzanillo International container terminal on the coast of Colon City, Panama, Tuesday, July 16, 2013. The North Korean ship carrying weapons system parts buried under sacks of sugar was seized as it tried to cross the Panama Canal on its way from Cuba to its home country, which is under a United Nations arms embargo, Panamanian officials said Tuesday. (AP Photo/Arnulfo Franco) (AP2013)
Snapshots of crew members are displayed on wall aboard a North Korean-flagged ship at the Manzanillo International container terminal on the coast of Colon City, Panama, Tuesday, July 16, 2013. The North Korean ship carrying weapons system parts buried under sacks of sugar was seized as it tried to cross the Panama Canal on its way from Cuba to its home country, which is under a United Nations arms embargo, Panamanian officials said Tuesday. The 35 North Koreans on the boat were arrested after resisting police efforts to intercept the ship in Panamanian waters on Thursday as it moved toward the canal. (AP Photo/Arnulfo Franco) (AP2013)
Panamanian police officers patrol a deck aboard a North Korean-flagged ship at the Manzanillo International container terminal on the coast of Colon City, Panama, Tuesday, July 16, 2013. The North Korean ship carrying weapons system parts buried under sacks of sugar was seized as it tried to cross the Panama Canal on its way from Cuba to its home country, which is under a United Nations arms embargo, Panamanian officials said Tuesday. (AP Photo/Arnulfo Franco) (AP2013)
The North Korean-flagged cargo ship Chong Chon Gang sits docked at the Manzanillo International container terminal on the coast of Colon City, Panama, Tuesday, July 16, 2013. Panama's president said the country has seized the ship, carrying what appeared to be ballistic missiles and other arms that had set sail from Cuba. (AP Photo/Arnulfo Franco) (AP2013)
The North Korean-flagged cargo ship Chong Chon Gang, center, sits docked at the Manzanillo International container terminal on the coast of Colon City, Panama, Tuesday, July 16, 2013. Panama's president said the country has seized the ship, carrying what appeared to be ballistic missiles and other arms that had set sail from Cuba. (AP Photo/Arnulfo Franco) (AP2013)
Panamanian workers stand inside a container aboard a North Korean-flagged ship at the Manzanillo International container terminal on the coast of Colon City, Panama, Tuesday, July 16, 2013. The North Korean ship carrying weapons system parts buried under sacks of sugar was seized as it tried to cross the Panama Canal on its way from Cuba to its home country, which is under a United Nations arms embargo, Panamanian officials said Tuesday. (AP Photo/Arnulfo Franco) (AP2013)
Military equipment lays in containers aboard a North Korean-flagged ship at the Manzanillo International container terminal on the coast of Colon City, Panama, Tuesday, July 16, 2013. A North Korean ship carrying weapons system parts buried under sacks of sugar was seized as it tried to cross the Panama Canal on its way from Cuba to its home country, which is under a United Nations arms embargo, Panamanian officials said Tuesday. (AP Photo/Arnulfo Franco) (AP2013)
Panamanian workers stand atop sacks of sugar inside a container of a North Korean-flagged ship at the Manzanillo International container terminal on the coast of Colon City, Panama, Tuesday, July 16, 2013. The North Korean ship carrying weapons system parts buried under sacks of sugar was seized as it tried to cross the Panama Canal on its way from Cuba to its home country, which is under a United Nations arms embargo, Panamanian officials said Tuesday. (AP Photo/Arnulfo Franco) (AP2013)
A crew member sleeps on a mattress aboard a North Korean-flagged ship at the Manzanillo International container terminal on the coast of Colon City, Panama, Tuesday, July 16, 2013. The North Korean ship carrying weapons system parts buried under sacks of sugar was seized as it tried to cross the Panama Canal on its way from Cuba to its home country, which is under a United Nations arms embargo, Panamanian officials said Tuesday. The 35 North Koreans on the boat were arrested after resisting police efforts to intercept the ship in Panamanian waters on Thursday as it moved toward the canal. (AP Photo/Arnulfo Franco) (AP2013)
Portraits of late North Korean leaders Kim Il Sung and Kim Jong Il decorate an office aboard a North Korean-flagged ship at the Manzanillo International container terminal on the coast of Colon City, Panama, Tuesday, July 16, 2013. The North Korean ship carrying weapons system parts buried under sacks of sugar was seized as it tried to cross the Panama Canal on its way from Cuba to its home country, which is under a United Nations arms embargo, Panamanian officials said Tuesday. The 35 North Koreans on the boat were arrested after resisting police efforts to intercept the ship in Panamanian waters on Thursday as it moved toward the canal. (AP Photo/Arnulfo Franco) (AP2013)
Panamanian workers stand atop sacks of sugar inside a container aboard a North Korean-flagged ship at the Manzanillo International container terminal on the coast of Colon City, Panama, Tuesday, July 16, 2013. The North Korean ship carrying weapons system parts buried under sacks of sugar was seized as it tried to cross the Panama Canal on its way from Cuba to its home country, which is under a United Nations arms embargo, Panamanian officials said Tuesday. (AP Photo/Arnulfo Franco) (AP2013)
In this Wednesday, June 26, 2013 photo, North Korea's military delegation members led by chief of the General Staff of the people's army, Kim Kyok Sik , center, pose for photos before leaving for Cuba at the Pyongyang Airport. A top North Korean general, Kim Kyok Sik, visited Cuba and met with his island counterparts. The Cuban Communist Party newspaper Granma said he was also received by President Raul Castro, and the two had an "exchange about the historical ties that unite the two nations and the common will to continue strengthening them." A North Korean ship carrying weapons system parts buried under sacks of sugar was seized as it tried to cross the Panama Canal on its way from Cuba to its home country, which is under a United Nations arms embargo, Panamanian officials said Tuesday. (AP Photo/Kim Kwang Hyon) (AP2013)
Police patrol by boat next to the North Korean-flagged cargo ship Chong Chon Gang docked at the Manzanillo International container terminal on the coast of Colon City, Panama, Tuesday, July 16, 2013. Panama's president said the country has seized the ship, carrying what appeared to be ballistic missiles and other arms that had set sail from Cuba. (AP Photo/Arnulfo Franco) (AP2013)