Staff Sgt. Salvador Ruiz, 374th Engineer Company, performs a radio check in preparation for a patrol lane during the Expert Soldier Badge program at Fort McCoy, Wisconsin, August 17, 2023. The patrol lanes consist of ten lanes testing the Soldiers knowledge of map reading, personnel searching, visual signaling, movement under fire, radio operations and Chemical Biological Radiological and Nuclear gear. Soldiers from all three U.S. Army components, reserve, national guard and active, attempt to earn the Expert Soldier Badge by successfully completing various physical and mental tasks such as: an expert physical fitness assessment, day and night land navigation, Soldier tasks including weapons, medical and patrol procedures, and finally a ruck march.