Sgt. Cyle Radloff, of Jackson, Tenn., waits for the
Sgt. Cyle Radloff, of Jackson, Tenn., waits for the all clear following a simulated scud missile attack at Fort Irwin Calif., during the 155th Armored Brigade Combat Team’s National Training Center rotation on ... More
U.S. Marines stationed at Marine Corps Air Station
U.S. Marines stationed at Marine Corps Air Station (MCAS) Yuma, conduct their annual Chemical, Biological, Radiological, and Nuclear Defense (CBRN) training at MCAS Yuma, Ariz. Gas Chamber May 9, 2019. The gas ... More
Marines from various units aboard Marine Corps Base
Marines from various units aboard Marine Corps Base Hawaii wait to commence their annual gas chamber training at landing zone Bondocker, Sept. 30, 2014 (U.S. Marine Corps photo by Cpl. Matthew Callahan/ Released)
Marines from various units aboard Marine Corps Base
Marines from various units aboard Marine Corps Base Hawaii look left and right to ensure they have proper seals on their M50 gas masks during annual gas chamber qualification at landing zone Boondocker, Sept. 3... More
U.S. 5TH FLEET AREA OF OPERATIONS (June 25, 2016) U.S.
U.S. 5TH FLEET AREA OF OPERATIONS (June 25, 2016) U.S. Marines with 13th Marine Expeditionary Unit, conduct chemical and biological contamination drills during sustainment training, June 25, 2016. The 13th MEU ... More
U.S. Marine Corps 2nd Lt. Nicholas Benson, a communication
U.S. Marine Corps 2nd Lt. Nicholas Benson, a communication strategy and operations (COMMSTRAT) officer with 1st COMMSTRAT Company, I Marine Expeditionary Force Information Group, burns a non-lethal chlorobenzyl... More
Feeling the full effects of CS gas, a soldier with
Feeling the full effects of CS gas, a soldier with the 270th Military Police Company, 185th Military Police Battalion, 49th Military Police Brigade, California Army National Guard, completed a gas chamber exerc... More
Soldiers of Headquarters and Headquarters Company,
Soldiers of Headquarters and Headquarters Company, 1st Stryker Brigade Combat Team, 4th Infantry Division, perform various exercises while wearing an M40-series protective mask inside the range 72 the gas chamb... More
U.S. Marines with II Marine Expeditionary Force Information
U.S. Marines with II Marine Expeditionary Force Information Group, undergo chemical, biological, radiological, and nuclear (CBRN) defense training at Camp Lejeune, N.C., Aug. 13, 2020. This training consists of... More
A U.S. Army Soldier from Bravo Company, 1st Battalion,
A U.S. Army Soldier from Bravo Company, 1st Battalion, 8th Cavalry Regiment, 2nd Brigade Combat Team, 1st Cavalry Division, adjusts his mask during Decisive Action Rotation 15-05 at the National Training Center... More
Staff Sgt. Marlene Mortensen, right, runs Soldiers
Staff Sgt. Marlene Mortensen, right, runs Soldiers of 2nd Battalion, 14th Cavalry Regiment, 2nd Infantry Brigade Combat Team, 25th Infantry Division, through CBRN and CS gas mask training September 20 at Schofi... More
Soldiers of Headquarters and Headquarters Company,
Soldiers of Headquarters and Headquarters Company, 1st Stryker Brigade Combat Team, 4th Infantry Division, await instructions while wearing an M40-series protective mask inside the range 72 the gas chamber duri... More
Gunnery Sgt. Andrew Antunez, an administrative chief
Gunnery Sgt. Andrew Antunez, an administrative chief with the 11th Marine Expeditionary Unit, breaks the seal of his M50 Joint Service General Purpose Mask during a gas chamber qualification at Marine Corps Bas... More
Cpl. Sabira Gannie, a Seattle native and the Chemical,
Cpl. Sabira Gannie, a Seattle native and the Chemical, Biological, Radiological, Nuclear non-commissioned officer assigned to Marine Aircraft Group 24, instructs Marines from various units aboard Marine Corps B... More
U.S. Marines stationed at Marine Corps Air Station
U.S. Marines stationed at Marine Corps Air Station (MCAS) Yuma, conduct their annual Chemical, Biological, Radiological, and Nuclear Defense (CBRN) training at MCAS Yuma, Ariz. Gas Chamber May 9, 2019. The gas ... More
A U.S. Soldier assigned to 155th Brigade Combat Team,
A U.S. Soldier assigned to 155th Brigade Combat Team, Mississippi Army National Guard, reacts to a simulated chemical attack during Decisive Action Rotation 17-07 at the National Training Center in Fort Irwin, ... More
U.S. Marine Corps 2nd Lt. Nicholas Benson, a communication
U.S. Marine Corps 2nd Lt. Nicholas Benson, a communication strategy and operations (COMMSTRAT) officer with 1st COMMSTRAT Company, I Marine Expeditionary Force Information Group, participates in a gas chamber q... More
Warrant Officer Christopher Pagano, Chemical, Biological,
Warrant Officer Christopher Pagano, Chemical, Biological, Radiological and Nuclear defense officer with Black Sea Rotational Force, walks through a cloud of gas during the annual CS chamber and gas mask familia... More
A Marine breaks the seal of his M50 gas mask to saturate
A Marine breaks the seal of his M50 gas mask to saturate the inside of it in CS gas before clearing the mask during annual gas chamber qualification aboard Marine Corps Base Hawaii, Sept. 30, 2014. (U.S. Marine... More
During the second day of competition at the 2016 Sandhurst
During the second day of competition at the 2016 Sandhurst competition, April 9, 2016, a Cadet from the Turkish Military Academy dons his protective mask at the Chemical, Biological, Radiological and Nuclear (C... More
Chief Warrant Officer 2 Lewis McCormick, a Chemical,
Chief Warrant Officer 2 Lewis McCormick, a Chemical, Biological, Radiological and Nuclear Defense Officer with Battalion Landing Team 3/1, 13th Marine Expeditionary Unit (MEU), instructs Marines on the proper t... More
A Marine bends over and begins to shake his head back
A Marine bends over and begins to shake his head back and forth to ensure the seal on his M50 gas mask is secure during annual gas chamber qualification aboard Marine Corps Base Hawaii, Sept. 30, 2014. (U.S. Ma... More
Sgt. Blaine Reminger, team leader, Headquarters and
Sgt. Blaine Reminger, team leader, Headquarters and Headquarters Company, 1st Stryker Brigade Combat Team, 4th Infantry Division, quickly exits the gas chamber after becoming exposed to tear gas during annual c... More
Spc. David Rodriguez, an Equipment Repair Specialist
Spc. David Rodriguez, an Equipment Repair Specialist with the Ground Support Equipment platoon, 536 Support Maintenance Company, 524th Combat Sustainment Support Battalion, 25th Sustainment Brigade, 25th Infant... More
Staff Sgt. Joaquin Rena, a spur holder with Troop C,
Staff Sgt. Joaquin Rena, a spur holder with Troop C, 1st Squadron, 10th Cavalry Regiment, 2nd Brigade Combat Team, 4th Infantry Division, encourages a spur candidate to don his protective gear during the squadr... More
Soldiers of Headquarters and Headquarters Company,
Soldiers of Headquarters and Headquarters Company, 1st Stryker Brigade Combat Team, 4th Infantry Division, remain calm after clearing their M40-series protective masks during annual chemical, biological, radiol... More
Staff Sgt. Daniel Brown with 1687th Transportation
Staff Sgt. Daniel Brown with 1687th Transportation Company, 184th Sustainment Command, signals “Gas, gas, gas” during a simulated chemical attack while conducting annual training at the Camp Shelby Joint Forces... More
U.S. Marines stationed at Marine Corps Air Station
U.S. Marines stationed at Marine Corps Air Station (MCAS) Yuma, conduct their annual Chemical, Biological, Radiological, and Nuclear Defense (CBRN) training at MCAS Yuma, Ariz. Gas Chamber May 9, 2019. The gas ... More
Soldiers of 2nd Battalion, 14th Cavalry Regiment, 2nd
Soldiers of 2nd Battalion, 14th Cavalry Regiment, 2nd Infantry Brigade Combat Team, 25th Infantry Division, conduct CBRN and CS gas mask training September 20 at Schofield Barracks, Hawaii. The squadron conduct... More
U.S. Soldiers with the 7th Army Training Command participate
U.S. Soldiers with the 7th Army Training Command participate in the Non-Commissioned Officer of the Year and Soldier of the Year Competition held at the Joint Multinational Readiness Center, Hohenfels, Germany ... More
U.S. Marines with Headquarters and Support Battalion
U.S. Marines with Headquarters and Support Battalion use the M50 gas mask in a gas chamber on Camp Pendleton, Calif., December 13, 2017. Marines are required to go through the gas chamber as a part of their tra... More
Cpl. Austin Boland, a chemical, biological, radiological,
Cpl. Austin Boland, a chemical, biological, radiological, and nuclear defense specialist with the 11th Marine Expeditionary Unit, burns a non-lethal chlorobenzylidene malononitrile capsule during a gas chamber ... More
U.S. Marine Lance Cpl. Donnell Poe, a forward observer
U.S. Marine Lance Cpl. Donnell Poe, a forward observer with Battalion Landing Team 3/1, 13th Marine Expeditionary Unit (MEU), checks the seal of his gas mask while at sea aboard the San Antonio-class amphibious... More
Cpl. Chad L. Cheek of the 270th Military Police Company,
Cpl. Chad L. Cheek of the 270th Military Police Company, 185th Military Police Battalion, 49th Military Police Brigade, California Army National Guard, exits a gas chamber during less-than-lethal training July ... More
U.S. Marines stationed at Marine Corps Air Station
U.S. Marines stationed at Marine Corps Air Station (MCAS) Yuma, conduct their annual Chemical, Biological, Radiological, and Nuclear Defense (CBRN) training at MCAS Yuma, Ariz. Gas Chamber May 9, 2019. The gas ... More
Expended CS gas tablets sit on a barrelthat were used
Expended CS gas tablets sit on a barrelthat were used to conduct annual gas chamber qualifications for Marines at landing zone Boondocker, Marine Corps Base Hawaii, Sept. 30, 2014. (U.S. Marine Corps photo by C... More
U.S. Marines with Headquarters Battalion, 3rd Marine
U.S. Marines with Headquarters Battalion, 3rd Marine Division, prepare to enter the gas chamber on Camp Hansen, Okinawa, Japan, April 5, 2019. Marines in Okinawa complete this training annually to stay proficie... More
U.S. Marines with Headquarters and Service Company,
U.S. Marines with Headquarters and Service Company, Black Sea Rotational Force, conducted their annual CS chamber and gas mask familiarization course in Mihail Kogalniceanu, Romania, June 29-30. Chemical, Biol... More
U.S. Marine Corps Col. Brian Russell, left, the commanding
U.S. Marine Corps Col. Brian Russell, left, the commanding officer of II Marine Expeditionary Force Information Group, prepares his M50 gas mask during chemical, biological, radiological, and nuclear (CBRN) def... More
Second Lt. Amanda White, from 61st CBRN Company, escorts
Second Lt. Amanda White, from 61st CBRN Company, escorts the crew of an OH58D(R) Kiowa Warrior helicopter to be decontaminated during aircraft decontamination training on Joint Base Lewis-McChord, Feb. 22.
Soldiers with Headquarters and Headquarters Battery,
Soldiers with Headquarters and Headquarters Battery, 94th Army Air and Missile Defense Command don their Chemical Biological Radiological and Nuclear (CBRN) gear during the unit’s range density week held Jan 8-... More
Staff Sgt. Jonathan Broome from the 5th Armored Brigade,
Staff Sgt. Jonathan Broome from the 5th Armored Brigade, Division West puts a gas mask on a simulated casualty while participating in a stress shooting test during the Division West Best Warrior Competition hel... More
U.S. 5TH FLEET AREA OF OPERATIONS (June 25, 2016) U.S.
U.S. 5TH FLEET AREA OF OPERATIONS (June 25, 2016) U.S. Marines with 13th Marine Expeditionary Unit, conduct chemical and biological contamination classes during sustainment training, June 25, 2016. The 13th MEU... More
U.S. Marine Corps Col. Brian Russell, left, the commanding
U.S. Marine Corps Col. Brian Russell, left, the commanding officer of II Marine Expeditionary Force Information Group (II MIG), and U.S. Marines with II MIG, clear their M50 gas masks during chemical, biologica... More
Two Soldiers with 504th Military Intelligence Brigade
Two Soldiers with 504th Military Intelligence Brigade put on their protective masks, Jan. 16, 2019, Fort Hood, Texas. Soldiers have a time limit to put their masks on. (U.S. Army photo by Maj. Gabriela S. Thompson)
Soldiers with the 703rd Brigade Support Battalion react
Soldiers with the 703rd Brigade Support Battalion react to a simulated chemical attack during Combined Resolve XIV, Sept. 25, 2020, at the Joint Multinational Readiness Center in Hohenfels, Germany. Combined Re... More
Cpt. Michael Chavis, brigade medical planner, Headquarters
Cpt. Michael Chavis, brigade medical planner, Headquarters and Headquarters Company, 1st Stryker Brigade Combat Team, 4th Infantry Division, breaths in clean air after exiting the gas chamber at range 72, Jan. ... More
A U.S. Marine with Battalion Landing Team 3/1, 13th
A U.S. Marine with Battalion Landing Team 3/1, 13th Marine Expeditionary Unit (MEU), washes off in a decontamination chamber during a Chemical, Biological, Radiological, and Nuclear class while at sea aboard th... More
Sgt. Colin Ellis (center), chemical, biological,
Sgt. Colin Ellis (center), chemical, biological, radiological and nuclear instructor, Headquarters and Headquarters Company, 1st Stryker Brigade Combat Team, 4th Infantry Division, leads the Soldiers of his uni... More
Army Reserve Staff Sgt. Agustin Manzanares, an intelligence
Army Reserve Staff Sgt. Agustin Manzanares, an intelligence analyst and native of Los Ojos, New Mexico, assigned to the 1st Space Brigade, 76th Operational Response Command, low crawls to avoid "enemy fire" aft... More
Soldiers of Headquarters and Headquarters Company,
Soldiers of Headquarters and Headquarters Company, 1st Stryker Brigade Combat Team, 4th Infantry Division, expose themselves to o-Chlorobenzylidene Malononitrile (tear gas) inside the range 72 gas chamber by re... More
U.S. Marines stationed at Marine Corps Air Station
U.S. Marines stationed at Marine Corps Air Station (MCAS) Yuma, conduct their annual Chemical, Biological, Radiological, and Nuclear Defense (CBRN) training at MCAS Yuma, Ariz. Gas Chamber May 9, 2019. The gas ... More
First Lt. Nicholas Mueller, assistant plans officer,
First Lt. Nicholas Mueller, assistant plans officer, 1st Battalion, 22nd Infantry Regiment, 1st Brigade Combat Team, 4th Infantry Division, seals his M40-series protective mask during mask confidence training a... More
U.S. Marines stationed at Marine Corps Air Station
U.S. Marines stationed at Marine Corps Air Station (MCAS) Yuma, conduct their annual Chemical, Biological, Radiological, and Nuclear Defense (CBRN) training at MCAS Yuma, Ariz. Gas Chamber May 9, 2019. The gas ... More
Lance Cpl. Steven White, Chemical, Biological, Radiological
Lance Cpl. Steven White, Chemical, Biological, Radiological and Nuclear Marine with Black Sea Rotational Force, and native of Beaver Falls, Pa., conducted the annual CS chamber and gas mask familiarization cour... More
Lance Cpl. Jared Sabins, a combat graphic specialist
Lance Cpl. Jared Sabins, a combat graphic specialist with the 11th Marine Expeditionary Unit, completes a gas chamber qualification at Marine Corps Base Camp Pendleton, Calif., Dec. 6, 2018. The chamber is a qu... More
Spc. Brandon Goold, infantryman, Headquarters and
Spc. Brandon Goold, infantryman, Headquarters and Headquarters Company, 1st Stryker Brigade Combat Team, 4th Infantry Division, breaths in clean air after exiting the gas chamber at range 72, Jan. 8, 2015. The ... More
Marines with the 11th Marine Expeditionary Unit are
Marines with the 11th Marine Expeditionary Unit are exposed to non-lethal chlorobenzylidene malononitrile during a gas chamber qualification at Marine Corps Base Camp Pendleton, Calif., Dec. 6, 2018. The chambe... More
Cpl. Austin Boland, a chemical, biological, radiological,
Cpl. Austin Boland, a chemical, biological, radiological, and nuclear defense specialist with the 11th Marine Expeditionary Unit, burns a non-lethal chlorobenzylidene malononitrile capsule during a gas chamber ... More
Soldiers with the 270th Military Police Company, 185th
Soldiers with the 270th Military Police Company, 185th Military Police Battalion, 49th Military Police Brigade, California Army National Guard, air themselves out following an exercise where they proved they un... More
While wearing protective masks, Soldiers from the
While wearing protective masks, Soldiers from the Headquarters and Headquarters Company, 143d Sustainment Command (Expeditionary) continue to plan, organize and execute sustainment operations during Combat Staf... More
Gas, Gas, Gas!, US Marine Corps Photo
U.S. Marines stationed at Marine Corps Air Station (MCAS) Yuma, conduct their annual Chemical, Biological, Radiological, and Nuclear Defense (CBRN) training at MCAS Yuma, Ariz. Gas Chamber May 9, 2019. The gas ... More
U.S. Marines with Headquarters and Service Company,
U.S. Marines with Headquarters and Service Company, Black Sea Rotational Force, conducted their annual CS chamber and gas mask familiarization course in Mihail Kogalniceanu, Romania, June 29-30. Chemical, Biol... More
U.S. 5TH FLEET AREA OF OPERATIONS (June 25, 2016) U.S.
U.S. 5TH FLEET AREA OF OPERATIONS (June 25, 2016) U.S. Marine Cpl. Ron Montgomery, 13th Marine Expeditionary Unit, participates in chemical and biological contamination drills during sustainment training, June ... More
Georgia Army National Guardsman, Pfc. Randall Brown,
Georgia Army National Guardsman, Pfc. Randall Brown, takes a knee to adjust his gas mask during training at Fort Stewart, Ga. on April 16, 2019. The Fort Stewart-based 179th Military Police company is conductin... More
A Marine stands against the wall during annual gas
A Marine stands against the wall during annual gas chamber qualification and awaits instruction at landing zone Boondocker, Marine Corps Base Hawaii, Sept. 30, 2014. (U.S. Marine Corps photo by Cpl. Matthew Cal... More
Warrant Officer Christopher Pagano, Chemical, Biological,
Warrant Officer Christopher Pagano, Chemical, Biological, Radiological and Nuclear officer with Black Sea Rotational Force, conducted the annual CS chamber and gas mask familiarization course for U.S. Marines f... More
A U.S. Marine with Headquarters Battalion, 3rd Marine
A U.S. Marine with Headquarters Battalion, 3rd Marine Division, breaks the seal of her gas masks while in the gas chamber on Camp Hansen, Okinawa, Japan, April 5, 2019. Marines in Okinawa complete this training... More
Soldiers with 2nd Battalion, 14th Cavalry Regiment,
Soldiers with 2nd Battalion, 14th Cavalry Regiment, 2nd Infantry Brigade Combat Team, 25th Infantry Division, clean their masks after going through CS gas chamber training September 19-20 at Schofield Barracks,... More
Spc. Edwin Joseph, a chemical operations specialist
Spc. Edwin Joseph, a chemical operations specialist with 61st CBRN Company, instructs Chief Warrant Officer Christopher Tolbert, an OH58D(R) Kiowa Warrior helicopter pilot with A Troop, 4th Squadron, 6th Attack... More
Sgt. 1st Class Christopher Felton, platoon sergeant,
Sgt. 1st Class Christopher Felton, platoon sergeant, Headquarters and Headquarters Company, 1st Stryker Brigade Combat Team, 4th Infantry Division, exposes himself to tear gas and exits the gas chamber during a... More
Cpl. Austin Boland, a chemical, biological, radiological,
Cpl. Austin Boland, a chemical, biological, radiological, and nuclear defense specialist with the 11th Marine Expeditionary Unit, burns a non-lethal chlorobenzylidene malononitrile capsule during a gas chamber ... More
Soldiers of the Fort Stewart-based 179th Military Police
Soldiers of the Fort Stewart-based 179th Military Police Company gather information to assist the victim of a gas attack during training at Fort Stewart, Ga. on April 17, 2019. The unit trained of different che... More
Spc. Brandon Goold, infantryman, Headquarters and
Spc. Brandon Goold, infantryman, Headquarters and Headquarters Company, 1st Stryker Brigade Combat Team, 4th Infantry Division, exposes himself to o-Chlorobenzylidene Malononitrile (tear gas) inside the range 7... More
GAS GAS GAS!, US Marine Corps Photo
U.S. Marine Corps Lance Cpl. Teagan E. Fredericks, a combat production specialist with 1st Marine Divison Communications Strategy and Operations, wears her mission oriented protective posture (MOPP) suit with h... More
Soldiers with 2nd Battalion, 14th Cavalry Regiment,
Soldiers with 2nd Battalion, 14th Cavalry Regiment, 2nd Infantry Brigade Combat Team, 25th Infantry Division, conduct CBRN familiarization and go through a CS gas chamber September 19-20 at Schofield Barracks, ... More
U.S. Marine Corps Lance Cpl. Andy King, a chemical
U.S. Marine Corps Lance Cpl. Andy King, a chemical biological radiological nuclear clerk with Marine Aircraft Group 12, dispenses chlorobenzylidene malononitrile during a training event conducted on Marine Corp... More
Soldiers of Headquarters and Headquarters Company,
Soldiers of Headquarters and Headquarters Company, 1st Stryker Brigade Combat Team, 4th Infantry Division, exit the gas chamber at range 72, Jan. 8, 2015. The gas chamber is a confined space used to expose Sold... More
U.S. Marines with Battalion Landing Team 3/1, 13th
U.S. Marines with Battalion Landing Team 3/1, 13th Marine Expeditionary Unit (MEU), practice the proper techniques and procedures for using a gas mask while at sea aboard the San Antonio-class amphibious transp... More
Spc. Austin Rudd, a Soldier with 2nd Battalion, 14th
Spc. Austin Rudd, a Soldier with 2nd Battalion, 14th Cavalry Regiment, 2nd Infantry Brigade Combat Team, 25th Infantry Division, catches his breath after going through CS gas chamber training September 19-20 at... More
Chemical, Biological, Radiological and Nuclear Marines
Chemical, Biological, Radiological and Nuclear Marines conduct the annual CS chamber and gas mask familiarization course for U.S. Marines from Headquarters and Service Company, Black Sea Rotational Force, in Mi... More
U.S. 5TH FLEET AREA OF OPERATIONS (June 25, 2016) U.S.
U.S. 5TH FLEET AREA OF OPERATIONS (June 25, 2016) U.S. Marines with 13th Marine Expeditionary Unit, assault a simulated enemy area during sustainment training, June 25, 2016. The 13th MEU is embarked on the Box... More
Army Reserve Drill Sergeant of the Year competitor,
Army Reserve Drill Sergeant of the Year competitor, Sgt. Ryan Moldovan, 98th Training Division (IET) dons his protective mask, Sept. 7. Moldovan, and Sgt. 1st Class Jason Scott, 95th Training Division (IET) ar... More
Georgia Army National Guardsman, Sgt. Taria Johnson,
Georgia Army National Guardsman, Sgt. Taria Johnson, covers the face of a victim of a gas attack during training at Fort Stewart, Ga. on April 17, 2019. The soldiers had the opportunity to react to multiple che... More
Staff Sgt. Marlene Mortensen, right, runs Soldiers
Staff Sgt. Marlene Mortensen, right, runs Soldiers of 2nd Battalion, 14th Cavalry Regiment, 2nd Infantry Brigade Combat Team, 25th Infantry Division, through CBRN and CS gas mask training September 20 at Schofi... More
U.S. Marines with II Marine Expeditionary Force Information
U.S. Marines with II Marine Expeditionary Force Information Group, undergo chemical, biological, radiological, and nuclear (CBRN) defense training at Camp Lejeune, N.C., Aug. 13, 2020. This training consists of... More
U.S. Marines with II Marine Expeditionary Force Information
U.S. Marines with II Marine Expeditionary Force Information Group, undergo chemical, biological, radiological, and nuclear (CBRN) defense training at Camp Lejeune, N.C., Aug. 13, 2020. This training consists of... More
U.S. Marine Corps Lance Cpl. Davis Harris, a combat
U.S. Marine Corps Lance Cpl. Davis Harris, a combat videographer with Communication Strategy and Operations Company, II Marine Expeditionary Force Information Group, dons his M50 gas mask during chemical, biolo... More
U.S. Marine Corps 2nd Lt. Nicholas Benson, a communication
U.S. Marine Corps 2nd Lt. Nicholas Benson, a communication strategy and operations (COMMSTRAT) officer with 1st COMMSTRAT Company, I Marine Expeditionary Force Information Group, prepares for a gas chamber qual... More
U.S Marines with Headquarters Battalion, 3rd Marine
U.S Marines with Headquarters Battalion, 3rd Marine Division, activate Chlorobenzalmalononitrile gas tablets on Camp Hansen, Okinawa, Japan, April 5, 2019. Marines in Okinawa complete gas chamber training annua... More
U.S. Army paratroopers assigned to the 173rd Brigade
U.S. Army paratroopers assigned to the 173rd Brigade Support Battalion, 173rd Airborne Brigade take off their protective masks after the call of "clear" during a live-fire exercise in Poček Training Area, Slove... More
U.S. Marine Corps 2nd Lt. Nicholas Benson, a communication
U.S. Marine Corps 2nd Lt. Nicholas Benson, a communication strategy and operations (COMMSTRAT) officer with 1st COMMSTRAT Company, I Marine Expeditionary Force Information Group, burns a non-lethal chlorobenzyl... More
2-chlorobenzalmalononitrile tablets sit on a table
2-chlorobenzalmalononitrile tablets sit on a table inside a gas chamber at Camp Lejeune, N.C., Aug. 13, 2020. U.S. Marines with II Marine Expeditionary Force Information Group participated in chemical, biologic... More
U.S. Marine Corps Col. Brian Russell, left, the commanding
U.S. Marine Corps Col. Brian Russell, left, the commanding officer of II Marine Expeditionary Force Information Group (II MIG), and U.S. Marines with II MIG, break the seal of their M50 gas masks during chemica... More
Soldiers of Headquarters and Headquarters Company,
Soldiers of Headquarters and Headquarters Company, 1st Stryker Brigade Combat Team, 4th Infantry Division, clear their M40-series protective mask of contaminants while inside the range 72 the gas chamber during... More
U.S. Marines stationed at Marine Corps Air Station
U.S. Marines stationed at Marine Corps Air Station (MCAS) Yuma, conduct their annual Chemical, Biological, Radiological, and Nuclear Defense (CBRN) training at MCAS Yuma, Ariz. Gas Chamber May 9, 2019. The gas ... More
Staff Sgt. Jason Bierschbach, 3rd Battalion, 361st
Staff Sgt. Jason Bierschbach, 3rd Battalion, 361st Regiment, "Mountain Warrior," 5th Armored Brigade, reacts to a "chemical, biological, radiological and nuclear attack" at Fort Bliss, Texas, March 2, during on... More
U.S. Marine Corps Lance Cpl. Andy King, a chemical
U.S. Marine Corps Lance Cpl. Andy King, a chemical biological radiological nuclear clerk with Marine Aircraft Group 12, dispenses chlorobenzylidene malononitrile during a training event conducted on Marine Corp... More
Soldiers assigned to 1st Brigade Combat Team, 4th Infantry
Soldiers assigned to 1st Brigade Combat Team, 4th Infantry Division, lift M40-series protective masks from their faces in a room full of chlorobenzylidene malononitrile (CS) Gas to test their masks’ effectiven... More
A Marine clears his M50 gas mask during annual gas
A Marine clears his M50 gas mask during annual gas chamber qualifications at landing zone Boondocker, Marine Corps Base Hawaii, Sept. 30, 2014. (U.S. Marine Corps photo by Cpl. Matthew Callahan/Released)