The Pentagon has been trying to gradually reduce the number of prisoners being held at the U.S. detention camp at Guantanamo Bay, Cuba.

NPR: Freed from Gitmo, Where Do Detainees Go?

During his run for the White House, Obama pledged to improve ties with the Muslim world, draw down U.S. troops in Iraq and close the detention camp at Guantanamo Bay, Cuba.

CNN: In first week, Obama takes initial steps on ambitious agenda