From the archive, originally posted by: [ spectre ]

HEY KIDS! SPYING IS FUN!
National Security Agency (NSA)
http://www.nsa.gov/kids/

DON’T THINK ABOUT PAST YOUTH  MOVEMENTS
IN CHINA OR GERMANY, FOR EXAMPLE
OR HISTORY, IN GENERAL

AND ENJOY!

Central Intelligence Agency (CIA)
http://www.cia.gov/cia/ciakids/index.shtml

Federal Bureau of Investigation (FBI)
http://www.fbi.gov/fbikids.htm

National Geospatial Intelligence Agency (NGA)
http://www.nima.mil/ngakids

National Reconnaissance Office (NRO)
http://www.nrojr.gov/

United States Department of State (DOS)
http://future.state.gov/

United States Department of Treasury (DOT)
http://www.treasury.gov/kids/

United States Department of Energy (DOE)
http://www.energy.gov/engine/content.do?BT_CODE=KIDS

Defense Intelligence Agency (DIA)
http://www.dia.mil/kids/interfacemx.html