Foto: Wikimedia Commons/ U.S. Air Force photo by Master Sgt. Donald R. Allen – http://www.dvidshub.net/image/935698/aerial-refueling-f-35-lightning-ii-joint-strike-fighters-eglin-afb-fla#.UZyEMrVU8QY, Public Domain, https://commons.wikimedia.org/w/index.php?curid=49689165
