Response Force Marines with Chemical Biological Incident Response Force prepare a decontamination tent during a drill during Exercise Scarlet Response 2017 at Guardian Centers in Perry, Ga., March 20, 2017. The exercise, held 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. Marine Corps photo by Sgt. Terence Brady SHARE: Download: Full Size (1.69 MB) Credit: Sgt. Terence Brady VIRIN: 170321-M-MB894-001.JPG Photo Gallery