Websites like Reforger.org, the US Militaria Forum, or the WWII Reenacting Society (which has a Cold War subforum) often host downloadable ZIP files in their "Manual Library" sections. You may need to register (free) to access attachments.
Because this specific document is a historical U.S. Army publication not widely available in digital archives, the essay will discuss its likely context, purpose, and how to locate or interpret it today. drill manual revised 1990 army code no 70166 zip
CARL, part of the US Army Command and General Staff College, offers PDFs, but some users have created ZIP bundles of related 1990-era manuals for offline use. Websites like Reforger
If you're interested in obtaining a copy of the manual, you may be able to find it through: Army publication not widely available in digital archives,
The manual is structured to teach drill "by the numbers," ensuring that every movement is precise and uniform. Key areas covered include: