Not sure if the discussion is referring to AA50 (anniversary) or Global.
Here are links to PDFs of the rulebooks…hope that’s helpful.
For AA50
http://www.wizards.com/default.asp?x=ah/prod/axisanniv
For Pac 1940 (same rules as Euro 1940)
http://www.wizards.com/default.asp?x=ah/prod/Pacific