Watch both videos. One of the actual robot and the other of the inspiration.
http://gizmodo.com/5160863/big-dog-army-robot-will-change-the-face-of-war-forever
Look at some more of the videos. Watch it slip on the ice and recover.
http://gizmodo.com/368651/new-video-of-bigdog-quadruped-robot-is-so-stunning-its-spooky
The company site with more information: Check out the jobs

http://www.bostondynamics.com/bd_index.html
The following site shows an example of the use of Artificial Integelligence also produced by Boston Dynamics for use in games and army simulations.
http://www.diguy.com/diguy/