Soldiers from the 110th Chemical Battalion treat a patient during the first aid portion of the Iron Dragon leadership and competency certification at Joint Base Lewis-McChord, Wash., Oct. 30, 2014. The Soldiers were assembled into teams across a broad range of ranks, duty positions and military occupational specialties. They had to learn what strengths and weaknesses existed within the team while conducting the challenge and work together to complete each of the stations. (U.S. Army Photo by Staff Sgt. Jennifer Spradlin, 19th Public Affairs Detachment)