Marines with Engineer Platoon, Chemical Biological Incident Response Force, carve wood at Guardian Centers in Perry, Georgia, March 23, 2017, during Exercise Scarlet Response 2017. During a 36-hour field operation, the Marines with CBIRF were tested on their ability to perform their skills during nighttime scenarios. Engineering Platoon used wooden planks to support collapsed structures. - Marines with Engineer Platoon, Chemical Biological Incident Response Force, carve wood at Guardian Centers in Perry, Georgia, March 23, 2017, during Exercise Scarlet Response 2017. During a 36-hour field operation, the Marines with CBIRF were tested on their ability to perform their skills during nighttime scenarios. Engineering Platoon used wooden planks to support collapsed structures.

Lance Cpl. Milton Torres, a Marine with Chemical Biological Incident Response Force, prepares a hose for a decontamination drill at Guardian Centers in Perry, Ga., March 20, 2017, during Exercise Scarlet Response 2017. The exercise, which goes from March 20 – 25, is the largest annual event for CBIRF, and it tests the unit’s capabilities to react and respond to threats and disasters such as nuclear detonations. - Lance Cpl. Milton Torres, a Marine with Chemical Biological Incident Response Force, prepares a hose for a decontamination drill at Guardian Centers in Perry, Ga., March 20, 2017, during Exercise Scarlet Response 2017. The exercise, which goes from March 20 – 25, is the largest annual event for CBIRF, and it tests the unit’s capabilities to react and respond to threats and disasters such as nuclear detonations.

Marines from the Search and Extraction Platoon carried out a civilian role player with a crushed pelvis inside a subway station where a train had derailed during the 36-hour continuous operation as part of Exercise Scarlet Response 2015 at Guardian Centers in Perry, Georgia, July 23. The Search and Extraction Platoon is the second team to go into a building after the primary assessment team, who gathers the first wave of intelligence that will be used to define the manner in which the mission will be accomplished. They search and extract victims that can’t move or are seriously injured. - Marines from the Search and Extraction Platoon carried out a civilian role player with a crushed pelvis inside a subway station where a train had derailed during the 36-hour continuous operation as part of Exercise Scarlet Response 2015 at Guardian Centers in Perry, Georgia, July 23. The Search and Extraction Platoon is the second team to go into a building after the primary assessment team, who gathers the first wave of intelligence that will be used to define the manner in which the mission will be accomplished. They search and extract victims that can’t move or are seriously injured.

Sergeant Austen Clark, the hot zone controller for the Search and Extraction Platoon, helps one of his Marines fasten and secure his gas mask before completing the final exercise of the afternoon during Exercise Scarlet Response 2015 at Guardian Centers in Perry, Georgia, July 21. The hot zone is the area where an incident occurs. Clark makes sure he keeps accountability of everything that goes on when his Marines go in and search a building, such as their gear, if there are any casualties inside or if there are any further issues besides what they already know. - Sergeant Austen Clark, the hot zone controller for the Search and Extraction Platoon, helps one of his Marines fasten and secure his gas mask before completing the final exercise of the afternoon during Exercise Scarlet Response 2015 at Guardian Centers in Perry, Georgia, July 21. The hot zone is the area where an incident occurs. Clark makes sure he keeps accountability of everything that goes on when his Marines go in and search a building, such as their gear, if there are any casualties inside or if there are any further issues besides what they already know.