US Military Rotary wing 1941-1948 and Helicopter 1948-present

[AkelaFreedom]

Interactive quick reference guide with illustrations on US military helicopters of old and new indexing in the "CHM" format.
Link to download - https://drive.google.com/open?id=1cj0WL_ztjJs-ts6vYvGPms1iK4xRP4hO

(This information is collected from the Wikipedia pages.)


Link to download - https://drive.google.com/open?id=1cj0WL_ztjJs-ts6vYvGPms1iK4xRP4hO

 

[overscan (PaulMM)]

As far as I can see, this is just copy pasted text from Wikipedia, Andrea's Parsch's http://www.designation-systems.net etc. Not sure I understand the purpose?