USMC 5711 Patches — Marine Corps Nuclear, Biological, and Chemical Defense Specialist Embroidered Patch
MOS 5711 — the Marines who operate in the environments everyone else is trying to escape.
The USMC 5711 patch represents the Marine Corps' Nuclear, Biological, and Chemical (NBC) Defense Specialists — the Marines trained to detect, identify, and mitigate threats from weapons of mass destruction on the modern battlefield. MOS 5711 Marines are the subject matter experts in chemical, biological, radiological, and nuclear (CBRN) defense, responsible for operating detection equipment, conducting decontamination operations, and advising commanders on protective measures that keep the rest of the force fighting in contaminated environments.
CBRN defense is one of the most technically demanding and critically important specialties in the Marine Corps. While every Marine receives basic NBC training, 5711 specialists go far deeper — mastering the science behind nerve agents, biological weapons, radiological dispersal devices, and nuclear fallout. They operate detection systems, manage collective protection equipment, and plan decontamination operations that allow units to continue their mission after exposure to WMD agents. In an era of great power competition where chemical and biological weapons remain a persistent threat, the 5711 community ensures that Marines can survive and fight in environments that would incapacitate an unprotected force.
Perfect For:
MOS 5711 Marines past and present, CBRN defense specialists, NBC school graduates, MAGTF CBRN planners, and Marine Corps MOS patch collectors.
5711. Survive the worst. Keep fighting.
