Hi guys. Heres a couple big military operator manuals for sale.
The first is for the AN/VRC-12 series of equip that went in Humvees etc...
And the second is for the operation of Navy equipment from the WWII period.
Both are large books of several hundred pages to keep you busy
$10 each or both for $15 plus SH by USPS book rate.

http://webpages.charter.net/brianhill/books.jpg

Regards
B.H.

Brian's Radio Universe
http://webpages.charter.net/brianhill/500.htm