(CNSNews.com) – Striking a defiant pose after being confronted by the West about more clandestine nuclear activity and just days before important international talks, Iran on Sunday began a series of fresh missile launches.

Sunday’s tests included the firing of medium-range rockets at targets up to 420 miles away, while on Monday morning the more sophisticated Shahab-3 missile was launched, Iranian media said.

State television said the surface-to-surface missiles hit their intended targets. They were fired as part of war games known as “Great Prophet IV,” a follow-up to “Great Prophet III” in July 2008...

WASHINGTON (CNN) -- The existence of a second uranium enrichment facility in Iran came to light on Friday, prompting President Obama and the leaders of Britain and France to publicly chide the Islamic republic and threaten further sanctions.

But the United States has actually known about the unfinished site since the Bush administration, according to senior U.S. officials who declined to be identified because of the sensitive nature of the negotiations. French intelligence officials were also aware of the facility for several months at least, a U.S. diplomatic source told CNN.

It wasn't until Monday that Iran wrote a letter to the International Atomic Energy Agency, revealing the existence of the underground facility on a military base near the city of Qom...