Sessions is grateful for the use of the following images under the Creative Commons license:
U.S. Air Force photo by Master Sgt. Andy Dunaway
http://www.flickr.com/photos/pingnews/451723069/
U.S. Air Force photo by Staff Sgt. Jason T. Bailey
http://www.flickr.com/photos/soldiersmediacenter/2387142473/
U.S. Air Force photo by Tech. Sgt. William Greer
http://www.flickr.com/photos/soldiersmediacenter/2387975490/
U.S. Navy photo by Mass Communication Specialist 2nd Class Katrina Parker/Released: http://www.navy.mil/view_single.asp?id=63687
U.S. Army photo by Pfc. Jon Cano, 2nd BCT, 10th Mountain Public Affairs
http://www.flickr.com/photos/soldiersmediacenter/403524071/
U.S. Navy photo by Mass Communication Specialist 2nd Class John Wallace Ciccarelli Jr./Released
http://www.navy.mil/view_single.asp?id=63677
DoD photo by Master Sgt. Kevin J. Gruenwald, U.S. Air Force
http://www.flickr.com/photos/soldiersmediacenter/511156140/in/set-72157594548546606/
Photo by Petty Officer 2nd Class Kitt Amaritnant
http://www.flickr.com/photos/soldiersmediacenter/406094486/in/set-72157594548546606/
U.S. Air Force photo by Staff Sgt. Dallas Edwards
http://www.flickr.com/photos/soldiersmediacenter/760582247/in/set-72157594548546606/