(http://www.airforcemag.com/MagazineArchive/PublishingImages/2016/June%202016/0616cover.jpg)
http://www.airforcemag.com/Pages/HomePage.aspx (http://www.airforcemag.com/Pages/HomePage.aspx)
Copies back to 1955.
The AFA's "Wingman" is also available, with the June issue featuring CyberPatriot.
(http://www.airforcemag.com/Wingman/PublishingImages/2016/June%202016/0616cover.jpg)
http://www.airforcemag.com/Wingman/Pages/default.aspx (http://www.airforcemag.com/Wingman/Pages/default.aspx)
(full disclosure, I have no idea how long it's been "free online", just noticed the pop-up today).
If you are interested in history or just current status, please look at and compare the Air Force Almanac Edition that comes out annually. Scary the age of some of the aircraft and the condition and the numbers.. We need to rebuild the military and now!!!