Members of the 628th Medical Group and the 628th Civil Engineering Squadron setup a mock site to be part of a hazardous material exercise on Joint Base Charleston – Air Base, S.C., Sept. 25, 2015. The two units from the 628th CES were the emergency management group and fire department. (U.S. Air Force photo/Airman 1st Class Thomas T. Charlton)

Staff Sgt. Matthew Calloway and A1C Corey Dedman, 628th Civil Engineering Squadron fire protection members, check the vital signs of SrA Brandon Lane, 628th Medical Group bio-environmental technician and A1C Vanessa Ramos, 628th Civil Engineering Squadron emergency management operator, at Joint Base Charleston – Air Base, S.C., Sept. 25, 2015. Lane and Ramos are required to have their vital signs checked prior to donning their hazardous material suits. (U.S. Air Force photo/Airman 1st Class Thomas T. Charlton)

(From left to right) Airman 1st Class Vanessa Ramos, 628th Civil Engineering Squadron emergency management operator, is assisted in putting on her oxygen tank by SSgt. Jennifer Greene, 628th CES EM operator. Ramos and Greene took part in the hazardous material exercise on Joint Base Charleston – Air Base, S.C., Sept. 25, 2015. Ramos worked alongside with SrA Brandon Lane, 628th Medical Group bio-environmental technician, during the exercise. (U.S. Air Force photo/Airman 1st Class Thomas T. Charlton)

Members of the 628th Medical Group and the 628th Civil Engineering Squadron participate in a hazardous material exercise on Joint Base Charleston – Air Base, S.C., Sept. 25, 2015. The two units from the 628th CES were the emergency management group and fire department. (U.S. Air Force photo/Airman 1st Class Thomas T. Charlton)

(From left to right) Senior Airman Brandon Lane, 628th Medical Group bio-environmental technician, works alongside with A1C Vanessa Ramos, 628th Civil Engineering Squadron emergency management operator, during the hazardous material exercise at Joint Base Charleston – Air Base, S.C., Sept. 25, 2015. Lane and Ramos were required to get their vital signs checked before donning their HAZMAT suits. (U.S. Air Force photo/Airman 1st Class Thomas T. Charlton)

Members of the 628th Medical Group and the 628th Civil Engineering Squadron participate in a hazardous material exercise on Joint Base Charleston – Air Base, S.C., Sept. 25, 2015. The two units from the 628th CES were the emergency management group and fire department. (U.S. Air Force photo/Airman 1st Class Thomas T. Charlton)