The front cover reads: "Imperial Armed Forces Vehicle Guide, Altair Sub-Sector: Set Number Four, Wheeled, Service & Support" From Introduction: This vehicle guide contains wheeled vehicles designed for use with the Traveller and Striker science fiction gaming systems. However, the specifications are comprehensive enough that conversion to other systems should cause no problems. This guide is dedicated to service and support vehicles used to keep fighting forces in the field, and area often overlooked in an effort to showcase bigger and better fighting vehicles.