The United States maintains that the self-described satellite launch would violate U.N.Security Council Resolution 1718, which bans North Korean nuclear weapons and ballistic missile tests, and was approved after Pyongyang's 2006 nuclear test.

VOA: standard.2009.03.12

As the Obama administration establishes its foreign policy, it must grapple with a strategy for U.S. relations with Iran, which has continued a controversial nuclear program and launched a satellite into orbit this week.

NPR: Rethinking Iran: Perceptions On U.S.-Iran Relations

The U.S.-Korea Institute at Johns Hopkins School of Advanced International Studies has analyzed recent commercial satellite imagery of the Nyongbyon nuclear facility, where the reactor was shut down in 2007 under the terms of a disarmament agreement.

NPR: SKorea: North Korea Moved Missile To East Coast

There is no indication of resumed nuclear activities in those buildings that were identified through the use of satellite imagery as being reconstructed or newly erected since 1998, nor any indication of nuclear-related prohibited activities at any inspected sites.

BBC: Full text: ElBaradei briefing