Joint Federal Travel Regulation (JFTR): http://www.defensetravel.dod.mil/site/travelreg.cfm

Ask the Dod a Travel Question: http://www.defensetravel.dod.mil/site/pdcQuestion.cfm

Department of Defense Financial Management Regulation (DoD FMR): http://comptroller.defense.gov/fmr

Dislocation Allowance Rates (DLA): http://www.defensetravel.dod.mil/site/otherratesDLA.cfm

Mileage Rates: http://www.defensetravel.dod.mil/site/otherratesMile.cfm

Per Diem Rate Information: http://www.defensetravel.dod.mil/site/perdiem.cfm

Defense Table of Official Distances: https://dtod.sddc.army.mil/

Basic Allowance for Housing Rates (BAH): http://www.defensetravel.dod.mil/site/bahCalc.cfm

Personal Procurement Move (PPM, DITY for us old timers): www.move.mil