During a sitting volleyball open-practice session, coaches and players participate in an exhibition match as part of the 2012 Marine Corps Trials Feb.15. The Marine Corps Trials is a Wounded Warrior Regiment hosted event in which approximately 300 wounded, ill and injured Marines compete for a spot on the 50-athlete, All-Marine team roster. The selected athletes will go on to compete in the Warrior Games in Colorado Springs, April 30 – May 6. The games are a competition between all branches of service for wounded, ill and injured service members.