How to get into the Import & Export career field?

I would like to enter in the Import/Export field. Where can I get certification training in the field? Please recommend a good training/certifcation site. Thank you

These all have to do with careers in this field they show requirements etc
http://www.bot.org/careers/crc.asp
and
http://www.vault.com/career-company/E*Trade-Group.html
and
http://www.investopedia.com/articles/07global_trade.asp
also
http://www.heritage.org/Research/Features/agenda_trade.cfm
and
www.uschamber.com/sb/trade/mdb.htm
also
www.citizen.org/trade/about
these sites are schools that provide courses in this field
www.sais-jhu.edu/programs/econ
and
www.trade-schools.net/potomac-college/default.asp
also try
palmerweb.sd38.ca/courses.php
and
www.american.edu/sis/academics/fieldofstudy/ier.htm