KC-135 Stratotanker
Links
Boeing KC-135 Stratotanker
http://www.boeing.com/defense-space/military/kc135-strat/
An official Boeing web site that includes news releases, photos, and specifications.
FAS: KC-135R Stratotanker
http://www.fas.org/nuke/guide/usa/bomber/kc-135r.htm
A comprehensive resource with statistical information, aircraft specifications, and a small image gallery.
USAF KC-135 Stratotanker
http://www.af.mil/news/factsheets/KC_135_Stratotanker.html
Official USAF factsheet.