Installation:
Drop the "Airport Services Vehicles" into C:\Users\%username%\Saved Games\DCS.openbeta\Mods\tech
Drop the missions into C:\Users\%yourusername%\Saved Games\DCS.openbeta\Missions

Credits:
Base model by Renafox on sketchfab (CC BY-NC 4.0): https://sketchfab.com/3d-models/gmc-sierra-work-truck-1fae2b50fbe14d2c98296a2560a38399
Converted into a follow me truck by Eight Ball