Members of the Indiana National Guard's 53rd Civil Support Team set up a decontamination line for their training event at Tippecanoe Amphitheater in Lafayette, Indiana, Wednesday, April 19, 2023. This assessment, conducted by U.S. Army North, is a validation of the unit's proficiency in collective, leader and individual tasks.

Members of the Indiana National Guard's 53rd Civil Support Team disarm and investigate a practice chemical weapon during a training exercise in Lafayette, Indiana, Wednesday, April 19, 2023. This assessment, conducted by U.S. Army North, is a validation of the unit's proficiency in Collective, Leader, and Individual Tasks.

Members of the Indiana National Guard's 53rd Civil Support Team simulate decontaminating and stabilizing an injured teammate during an evaluation training exercise in Lafayette, Indiana, Wednesday, April 19, 2023. The U.S. Army North assessment validates the unit's proficiency in collective, leader and individual tasks.

Members of the Indiana National Guard's 53rd Civil Support Team decontaminate and break down their gear after finishing a training exercise at the Tippecanoe Amphitheater, Wednesday, April 19, 2023, in Lafayette, Indiana. The U.S. Army North assessment validates the unit's proficiency in collective, leader and individual tasks.

Members of the Indiana National Guard's 53rd Civil Support Team discuss plans for site recon and recovery of the chemical threat before gearing up and beginning the test exercise in Lafayette, Indiana, Wednesday, April 19, 2023. This assessment, conducted by U.S. Army North, is a validation of the unit's proficiency in Collective, Leader, and Individual Tasks.

Members of the Indiana National Guard's 53rd Civil Support Team disarm and investigate a practice chemical weapon during a training exercise the Tippecanoe Amphitheater, Wednesday, April 19, 2023, in Lafayette, Indiana. The U.S. Army North assessment validates the unit's proficiency in collective, leader and individual tasks.

Members of the Indiana National Guard's 53rd CST disarm and investigate a practice chemical weapon during a training exercise at a Tippecanoe Amphitheater, Wednesday, April 19, 2023, in Lafayette, Indiana. The U.S. Army North assessment validates the unit's proficiency in collective, leader and individual tasks.

Members of the Indiana National Guard's 53rd Civil Support Team practice evacuating an injured teammate from a contamination zone during their training exercise at the Tippecanoe Amphitheatre in Lafayette, IN, Wednesday, April 19, 2023. This assessment, conducted by U.S. Army North, is a validation of the unit's proficiency in Collective, Leader, and Individual Tasks.

Members of the Indiana National Guard's 53rd Civil Support Team decontaminate and break down their gear after finishing a training exercise at a Tippecanoe Amphitheater, Wednesday, April 19, 2023, in Lafayette, Indiana. The U.S. Army North assessment validates the unit's proficiency in collective, leader and individual tasks.

Members of the Indiana National Guard's 53rd Civil Support Team decontaminate and break down their gear after finishing a training exercise at a Tippecanoe Amphitheater, Wednesday, April 19, 2023, in Lafayette, Indiana. The U.S. Army North assessment validates the unit's proficiency in collective, leader and individual tasks.