Frequently asked questions about the mission in Afghanistan

Mike Mount and Larry Shaughnessy
CNN Pentagon Unit

President Obama is expected to announce Tuesday that he's sending more than 30,000 additional troops to Afghanistan and discuss the U.S. strategy there.

Here are some frequently asked questions about the U.S. involvement there:

Q: How many troops are in Afghanistan and how many more are going?

A: More than 100,000 U.S. and NATO troops are in Afghanistan, and the president is expected to announceSource: AC360 RSS Feed