In the early and mid-1980s, a concerted effort was made at the Aberdeen Test Center (then Combat Systems Test Activity) to collect vibration data on a wide variety of vehicles to create laboratory vibration test schedules. The initial schedules were published in MIL-STD-810D and were updated for publication in MIL-STD-810E and ITOP (International Test Operations Procedure) 1-2-601. Although the vehicles used for schedule development are listed in the documents and a test scenario is described, little information has been published describing how the test levels compare with the actual measured levels and how the test courses used compare with the terrain likely to be encountered in the vehicle's normal operation. This paper describes the data acquisition and analysis efforts to show where and how measurements were made and how the final test levels relate to the actual measured levels. It will also describe the test courses used and show how they relate to "civilian sector" conditions such as operation on an unpaved road. The purpose of the paper is to provide an understanding of the physical severity represented by the test procedures used and the amount of conservatism and level exaggeration (to reduce test time) built into the schedule development process.

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