Sgt. 1st Class Evadne Benson, center, First Army Equal Opportunity Advisor, meets with two squads of Military Explorers, from Post 9044 in Davenport, Iowa, and Post 120 from Wisconsin Rapids, Wis. The cadets, ranging from 11 to 21 years of age, are learning about the military ways of life prior to their potential future affiliation with the service of their choosing. The "Nighthawk" and "Green Dragon" squads took a guided tour of the new First Army headquarters building on Rock Island Arsenal, Ill. The group is conducting a four-day Explorer Challenge on "The Rock", consisting of military training and orientation events.