Marines with 2nd Marine Logistics Group practice using the M26 Joint Service Transportable Decontamination System during a CBRN decontamination course aboard Camp Lejeune, N.C., March 4, 2015. Students of the week-long course learned about detection of and protection against CBRN agents and the processes of decontaminating troops, equipment and vehicles. - Marines with 2nd Marine Logistics Group practice using the M26 Joint Service Transportable Decontamination System during a CBRN decontamination course aboard Camp Lejeune, N.C., March 4, 2015. Students of the week-long course learned about detection of and protection against CBRN agents and the processes of decontaminating troops, equipment and vehicles.