Staff Sgt. Salvador Ruiz, 374th Engineer Company, performs a functions check on the M240B machine gun in preparation for the weapon lane during the Expert Soldier Badge program at Fort McCoy, Wisconsin, August 15, 2023. The weapon lanes consist of ten lanes testing the Soldiers knowledge of various weapon systems used in the Army. 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.