FOREWORD This document has been prepared as an index of the commercial and military specifications and requirements pertaining to training and training equipment. It does not include@ unless a specific isolated category is involved@ any engineering papers@ publications or itemized details of the DOD catalogue. Additions@ deletions and/or revisions to this guide will occur periodically as demand and changes dictate. It will be appreciated if holders of this document will forward revisions and additions to its contents to the SAE office@ to the attention of the AGE-3 committee.