21st Century U.S. Army Training Manual: Rappelling (TC 21-24), Tower, Ground, Helicopter, Fast-Rope Insertion and Extraction, Knots, plus bonus U.S. Army Training Circulars (CD-ROM) CD-ROM – July 18, 2008

I assumed since this was in "CD-ROM" format the information would be presented in some sort of interactive manner. This is literally just a folder with 60 or so PDF files on it which you have to open manually, all of which can be found for free online...