Many countries around the world maintain military units that are specifically trained to cope with CBRN (Chemical, Biological, Radiological, Nuclear) threats. Beside this specialized units, most modern armed forces undergo generalized basic CBRN self-defense training for all their personnel.
Albania Central Laboratory of the Armed Forces – Military Unit Nr.4010 (Laboratori Qendror i Forcave të Armatosura - Rep. Usht. Nr.4010)
Algeria
410th Nuclear, Biological and Chemical Weapons Protection Regiment of the Algerian People's National Army (الفوج 410 للحماية من الاسلحة النووية / البيولوجية / الكيماوية)
Argentina Army 601st Chemical Biological Nuclear and Emergency Support Engineers Company (Compañía de Ingenieros de Defensa Quimica Bacteriologica Nuclear y Apoyo a la Emergencia 601) Navy Chemical Biological Nuclear-Radiological Defense Department (Departamento Defensa Quimica Bacteriologica Nuclear-Radiológica)
Australia Special Operations Engineer Regiment
Austria Atomic, Biological, Chemical (ABC) Defense School "Lise Meitner" (Atomar, Biologisch, Chemisch (ABC)-Abwehrschule "Lise Meitner") ABC Defense Company - 3rd Headquarters Battalion (ABC-Abwehrkompanie - Stabsbataillon 3) ABC Defense Company - 4th Armored Headquarters Battalion (ABC-Abwehrkompanie - Panzerstabsbataillon 4) ABC Defense Company - 6th Headquarters Battalion (ABC-Abwehrkompanie - Stabsbataillon 6) ABC Defense Company - 7th Headquarters Battalion (ABC-Abwehrkompanie - Stabsbataillon 7)
Belgium Competence Center – Engineer Department (Centre de Compétence - Département Génie) Chemical Biological Radiological, Nuclear Company – 4th Engineer Battalion (Compagnie Chimique, Biologique, Radiologique, Nucléaire - 4 Bataillon du Génie)
Belarus Department of Radiation, Chemical and Biological (RCB) Protection and Ecology ( Упраўленне радыяцыйнай, хімічнай i біялагічнай (РХБ) абароны і экалогіі – Upraŭliennie Radyjacyjnaj, Chimičnaj i Bijalahičnaj (RCB) Abarony i Ekalohii) 8th RBC Protection Regiment (8-я полк РХБ абаро́ны - 8-ja Polk RCB Abaróny)
Bosnia and Herzegovina Atomic-Biological-Chemical Defense Company (Čete Atomsko-Biološko-Hemijske Odbrane)
Brazil Army 1st Chemical Biological Radiological and Nuclear Defense Battalion (1º Batalhão de Defesa Química, Biológica, Radiológica e Nuclear) Radiological and Nuclear Defense Company - Special Operations Command (Companhia de Defesa Química, Biológica, Radiológica e Nuclear - Comando de Operações Especiais) Navy Nuclear, Biological, Chemical and Radiological Defense Center (Centro de Defesa Nuclear, Biológica, Química e Radiológica) Nuclear, Biological, Chemical and Radiological Defense Battalion – Aramar Experimental Center (Batalhão de Defesa Nuclear, Biológica, Química e Radiológica - Centro Experimental Aramar) Nuclear, Biological, Chemical and Radiological Defense Company – Naval Fusiliers Engineer Battalion (Companhia de Defesa Nuclear, Biológica, Química e Radiológica - Batalhão de Engenharia de Fuzileiros Navais)
Bulgaria 38th Nuclear, Chemical and Biological Defense Battalion (38-ми батальон за ядрена, химическа и биологична защита - 38-mi Batal'on za Yadrena, Khimicheska i Biologichna Zashtita)
Brunei Chemical, Biological, Radiological and Explosive Company of the Support Battalion
Canada Canadian Joint Incident Response Unit Canadian Forces Nuclear Biological Chemical School
China (People's Republic of China)
(陆军防化学院 - Lùjūn Fáng Huà Xuéyuàn), in Beijing 71st Chemical Defense Brigade - 71st Group Army 72nd Chemical defense brigade - 72nd Group Army 73rd Chemical defense brigade - 73rd Group Army 74th Chemical defense brigade - 74th Group Army 75th Chemical defense brigade - 75th Group Army 76th Chemical defense brigade - 76th Group Army 77th Chemical defense brigade - 77th Group Army 78th Chemical defense brigade - 78th Group Army 79th Chemical defense brigade - 79th Group Army 80th Chemical defense brigade - 80th Group Army 81st Chemical defense brigade - 81st Group Army 82nd Chemical defense brigade - 82nd Group Army 83rd Chemical defense brigade - 83rd Group Army 84th Chemical Defense Brigade - Tibet Military Region - Xinjiang Military Region People's Armed Police Engineering/Chemical Defense Detachment, 1st Mobile Contingent Engineering/Chemical Defense Detachment, 2nd Mobile Contingent
China (Republic of China/"Taiwan") Detection and Decontamination Battalion, 33rd Chemical Troops Group (33化學兵群偵消營- 33 Huàxué Bīng Qún Zhēn Xiāo Yíng ) Detection and Decontamination Battalion, 36th Chemical Troops Group (36化學兵群偵消營- 36 Huàxué Bīng Qún Zhēn Xiāo Yíng ) Detection and Decontamination Battalion, 39th Chemical Troops Group (39化學兵群偵消營- 39 Huàxué Bīng Qún Zhēn Xiāo Yíng )
Colombia 80th Disasters Awareness and Prevention Battalion "Brigadier General General Álvaro López Vargas" (Batallón de Atención y Prevención a Desastres No. 80 "Brigadier General Álvaro López Vargas") Nuclear, Biological and Chemical Company (Compañía Nuclear, Biológico y Químico)
Croatia Nuclear Biological and Chemical Defense Battalion (Bojna Nuklearno-Biološko-Kemijske Obrane)
Cuba Chemical Defense Company (Compañía de Defensa Química)
Cyprus Republic Nuclear Biological and Chemical Substances Protection Team (Ομάδα Προστασίας από Πυρηνικές Βιολογικές και Χημικές Ουσίες - Omáda Prostasías apó Pyrinikés Viologikés kai Chimikés Ousíes)
Czech Republic 31st Radiological, Chemical and Biological (RCB) Protection Regiment (31. Pluk Radiační, Chemické a Biologické (RCB) Ochrany) 311th RCB Protection Battalion (311. Prapor RCB Ochrany) 312th RCB Protection Battalion (312. Prapor RCB Ochrany) 314th Weapons of Mass Destruction Center (314. Centrum Výstrahy Zbraní Hromadného Ničení)
Denmark 3rd Chemical Biological Radiological Nuclear and Construction Battalion (3 Kemisk Biologisk Radiologisk Atomar & Konstruktionsbataljon)
Finland CBRN Company – Engineer and Signal Battalion "Satakunta" (Suojelukomppania - Satakunnan Pioneeri- ja Viestipataljoona)
France Army 2nd Dragoon Regiment (2e Regiment de Dragons) Nuclear, Biological and Chemical Defense Center (Centre de Défense Nucléaire, Biologique et Chimique) Army Medical Decontamination Unit (Unité Médicale de Décontamination des Armées) Navy Nuclear, Biological and Chemical Defense Platoon, Commando Kieffer (Section de Défense Nucléaire, Biologique et Chimique, Commando Kieffer) Air Force Nuclear, Biological and Chemical Intervention Platoon, Air Fire Brigade (Section d'intervention Nucléaire, Biologique et Chimique, Pompiers de l'Air)
Germany Armed Forces Atomic-Biological-Chemical (ABC) Defense Command (ABC-Abwehrkommando der Bundeswehr) 7th ABC Defense Battalion (ABC-Abwehrbataillon 7) 750th ABC Defense Battalion "Baden" (ABC-Abwehrbataillon 750 "Baden") 906th ABC Defense Battalion (Reserve) (ABC-Abwehrbataillon 906 (Reserve)) 907th ABC Defense Battalion (Reserve) (ABC-Abwehrbataillon 907 (Reserve)) ABC Defense and Legal Protection Tasks School (Schule ABC-Abwehr und Gesetzliche Schutzaufgaben)
Greece Nuclear Biological Chemical Defense Special Joint Battalion (Ειδικό Διακλαδικό Λόχο Πυρηνικής Βιολογικής Χημικής Άμυνας - Eidikó Diakladikó Lócho Pyrinikís Viologikís Chimikís Ámynas)
Hungary 93rd Chemical Protection Battalion "Sándor Petőfi" (MH 93. Petőfi Sándor Vegyivédelmi Zászlóalj)
India Army Faculty of Nuclear Biological Chemical Protection - College of Military Engineering. Air Force Air Force Institute of Nuclear Biological Chemical Protection. Integrated Defence Staff The IDS has established various Joint Service Training Institutes under the Centre for Joint Warfare Studies for training Army, Navy and Air force personnel on the subject of CBRN warfare, Military law, intelligence etc. National Disaster Response Force NDRF has special cbrn companies trained on the guidelines of NDMA. Central Industrial Security Force The NDMA has also trained various units of cisf in first hand cbrn disaster management and hazard disposal. Central Reserve Police Force RAF battalions have special cbrn companies. Border Security Force BSF has also developed cbrn capabilities for the sake of emergency disposals.
Indonesia Army Engineers Nuclear, Biological, and Chemical Company (Kompi Zeni Nuklir, Biologi dan Kimia) CBRN Team 903rd Det. Satbravo 90 Kopasgat
Iran Islamic Revolutionary Guard Corps Nuclear Command Corps 24th Chemical Warfare Brigade "Bessat"
Israel 76th Chemical Defense Battalion (76 גדוד הסיוע הכימי - G'dud Siyua Khiymik 76)
Italy Joint Nuclear, Biological and Chemical Defense School (Scuola Interforze per la Difesa Nucleare, Biologica e Chimica) Chemical, Biological, Radiological and Nuclear Battalion "Rieti" (Battaglione Chimico, Biologico, Radioattivo e Nucleare "Rieti") 7th Chemical, Biological, Radiological and Nuclear Defense Regiment "Cremona" (7° Reggimento Difesa Chimica, Biologica, Radioattiva e Nucleare "Cremona")
Japan Ground Self-Defense Force Chemical School (陸上自衛隊化学学校 - Rikujō Jieitai Kagaku Gakkō) Central Special Weapons Protection Unit (中央特殊武器防護隊 – Chūō Tokushu Buki Bōgotai) one Special Weapons Protection Battalion (特殊武器防護大隊 - Tokushu Buki Bogodaitai) in each Division. one Special Weapons Protection Company (特殊武器防護中隊 - Tokushu Buki Bogochūtai) in each independent Brigade.
Jordan Chemical Support Unit (حدة دعم الكيميائية - Hdt Dem al-Kymyayyt)
Kazakhstan Department of Radiation, Chemical, Biological Protection and Environmental Troops (Радиациялық, Химиялық, Биологиялық Қорғау Және Экологиялық Әскерлері Департаменті - Radïacïyalıq, Xïmïyalıq, Bïologïyalıq Qorğaw Jäne Éékologïyalıq Ääskerleri Departamenti)
Korea (Democratic People's Republic of Korea/"North Korea") Nuclear-Chemical Defense Bureau 13th Nuclear-Chemical Defense Battalion (Reserve) 14th Nuclear-Chemical Defense Battalion (Reserve) 15th Nuclear-Chemical Defense Battalion (Reserve) 16th Nuclear-Chemical Defense Battalion (Reserve) 17th Nuclear-Chemical Defense Battalion 18th Nuclear-Chemical Defense Battalion 27th Nuclear-Chemical Defense Battalion (Reserve) 36th Nuclear-Chemical Defense Battalion (Reserve)
Korea (Republic of Korea/"South Korea") Army Chemical School (육군화생방학교 – Yuggun Hwasangbang Haggyo) 10th Chemical Battalion (제10화생방대대 – je 10 Hwasangbang Daedae) 11th Chemical Battalion (제11화생방대대 – je 11 Hwasangbang Daedae) 12th Chemical Battalion (제12화생방대대 – je 12 Hwasangbang Daedae) 13th Chemical Battalion (제13화생방대대 – je 13 Hwasangbang Daedae) 15th Chemical Battalion (제15화생방대대 – je 15 Hwasangbang Daedae) 17th Chemical Battalion (제17화생방대대 – je 17 Hwasangbang Daedae) 19th Chemical Battalion (제19화생방대대 – je 19 Hwasangbang Daedae)
Latvia National Guard Weapons of Mass Destruction Protection Company (Aizsardzības no Masveida Iznīcināšanas Ieročiem Rota)
Lebanon Weapons of Mass Destruction Defense Company (سرية الوقاية من اسلحة الدمار الشامل - Siriyat al-Wiqayat min 'as-Lihat al-Damar al-Shshamil)
Lithuania Atomic Biological and Chemical Platoon - Engineer Battalion "Juozo Vitkaus" (Atomines Biologines ir Chemines Būrys - "Juozo Vitkaus" Inžinerijos Vatalione)
Macedonia (Republic of North Macedonia) Nuclear Biological Chemical Protection Company (Чета за нуклеарна биолошка хемиска одбране - Četa za Nuklearna Biološka Xemiska Odbrana)
Malaysia 3rd Chemical, Biological and Nuclear Warfare Division (Peperangan Nuklear, Biologi dan Kimia 3 Divisyen)
Mexico Chemical, Biological and Radiological Emergencies Response Group (Grupo de Respuesta de Emergencias Quimicas, Biologicas y Radiologicas)
Moldova Independent Chemical Protection Company (Compania Protecţie Chimică Independentă)
Montenegro Chemical Biological Radiological Nuclear (CBRN) Defence Platoon of the Infantry Battalion (Вода Xемијско, Биолошко, Радиолошко Нуклеарно Одбрање (ХРБНО)/Пешадијски Батаљон - Voda Hemijsko, Biološko, Radiološko, Nuklearno Odbranje (HRBNO)/Pešadijski Bataljon)
NATO