Originally Posted by Hiker
The "hood number" or registration number has no connection to the unit it is assigned to. The history of the truck is tough to track if the other markings on the bumper are gone. What little I know about this subject is that the registration number on your hood is a US Army reg number. You probably already knew this. The "03" at the beginning of the reg number means that it is in a class of Medium Trucks. Military Vehicles Magazine, June 2002 has a good article about vehicle markings.
Robert