STK103460MU.S. Army soldiers respond to a small arms attack in Badula Qulp, Afghanistan.
STK600053PIllustration of a Triceratops runner.
STK105327MMarines and sailors run aboard USS Makin Island.
STK105417MA dog handler and his military working dog take a brisk walk.
STK105100MMarines move to a firing line on the flight deck of USS New Orleans.