Be familiar with the geography of:

--U.S. combat zones

--the Middle East

--the Southeastern United States

--the Muslim world

--Europe

 

The World Factbook (CIA)

https://www.cia.gov/library/publications/the-world-factbook/

 

Middle East

http://www.worldatlas.com/webimage/countrys/me.htm

 

Europe

http://www.worldatlas.com/webimage/countrys/eu.htm

 

Muslim World

http://btw.imb.org/news_map.asp

 

Southeastern United States

http://www.tripinfo.com/maps/Southeast.htm