Official websites use .mil
Secure .mil websites use HTTPS
Currency Converter
City Pairs Search (Government Travel Rates for Flights)
Defense Travel Management Office
For Per Diem Rates
In order to book government lodging:
http://marines.dodlodging.net/
http://www.innsofthecorps.com/index.html
http://www.usmc-mccs.org/MCCS/index.cfm/locations/