Stumbled across this will reading some thing on the sniperhide forum.
http://biggerhammer.net/manuals/23-10/toc.htm
pdfs at this link + form templates and illustrations: http://biggerhammer.net/manuals/23-10/
here's Chapter 1
Field Manual No. 23-10
SNIPER TRAINING
PREFACE
CHAPTER 1 - INTRODUCTION
1-1. Mission
1-2. Organization
1-3. Personnel Selection Criteria
1-4. Sniper and Observer Responsibilities
1-5. Team Firing Techniques