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Sgt. Maj. Scott D. Grade, sergeant major of Marine Forces Reserve and Marine Forces North, Lt. Gen. David G. Bellon, commander of Marine Forces Reserve and Marine Forces North, Col. Vincent C. Dawson, commanding officer of Special Purpose Marine Air-Ground Task Force - Southern Command 20, and Sgt. Maj. Mark Murphy, sergeant major of SPMAGTF-SC 20, pose for a photo at Marine Corps Base Camp Lejeune, North Carolina, March 11, 2020. During the visit, Lt. Gen. Bellon stopped at the barracks to review living conditions and presented challenge coins to two Marines for their hard work preparing for the mobilization of the task force. Lt. Gen. Bellon shared his professional guidance and mentorship with the SPMAGTF-SC Marines and Sailors from his experience working in Southern Command’s area of operations. The SPMAGTF are conducting a variety of pre-deployment training events and qualifications in order to enhance crisis response readiness for the Latin American and Caribbean region. (U.S. Marine Corps photo by Sgt. Andy O. Martinez)

Sgt. Maj. Scott D. Grade, sergeant major of Marine Forces Reserve and Marine Forces North, Lt. Gen. David G. Bellon, commander of Marine Forces Reserve and Marine Forces North, Col. Vincent C. Dawson, commanding officer of Special Purpose Marine Air-Ground Task Force - Southern Command 20, and Sgt. Maj. Mark Murphy, sergeant major of SPMAGTF-SC 20, pose for a photo at Marine Corps Base Camp Lejeune, North Carolina, March 11, 2020. During the visit, Lt. Gen. Bellon stopped at the barracks to review living conditions and presented challenge coins to two Marines for their hard work preparing for the mobilization of the task force. Lt. Gen. Bellon shared his professional guidance and mentorship with the SPMAGTF-SC Marines and Sailors from his experience working in Southern Command’s area of operations. The SPMAGTF are conducting a variety of pre-deployment training events and qualifications in order to enhance crisis response readiness for the Latin American and Caribbean region. (U.S. Marine Corps photo by Sgt. Andy O. Martinez)

Photo by Sgt. Andy Martinez

Lt. Gen. David G. Bellon, commander of Marine Forces Reserve and Marine Forces North, shakes hands with Cpl. Jeison Guerrero, an administrative specialist with Special Purpose Marine Air-Ground Task Force - Southern Command 20, alongside Sgt. Maj. Scott D. Grade, sergeant major of Marine Forces Reserve and Marine Forces North, at Marine Corps Base Camp Lejeune, North Carolina, March 11, 2020. Lt. Gen. Bellon presented challenge coins to two Marines for their hard work preparing for the mobilization of the task force. During Lt. Gen. Bellon’s visit, he also shared professional guidance and mentorship with the SPMAGTF-SC 20 Marines and Sailors from his experience working in Southern Command’s area of operations. The SPMAGTF are conducting a variety of pre-deployment training events and qualifications in order to enhance crisis response readiness for the Latin American and Caribbean region. (U.S. Marine Corps photo by Sgt. Andy O. Martinez)

Lt. Gen. David G. Bellon, commander of Marine Forces Reserve and Marine Forces North, shakes hands with Cpl. Jeison Guerrero, an administrative specialist with Special Purpose Marine Air-Ground Task Force - Southern Command 20, alongside Sgt. Maj. Scott D. Grade, sergeant major of Marine Forces Reserve and Marine Forces North, at Marine Corps Base Camp Lejeune, North Carolina, March 11, 2020. Lt. Gen. Bellon presented challenge coins to two Marines for their hard work preparing for the mobilization of the task force. During Lt. Gen. Bellon’s visit, he also shared professional guidance and mentorship with the SPMAGTF-SC 20 Marines and Sailors from his experience working in Southern Command’s area of operations. The SPMAGTF are conducting a variety of pre-deployment training events and qualifications in order to enhance crisis response readiness for the Latin American and Caribbean region. (U.S. Marine Corps photo by Sgt. Andy O. Martinez)

Photo by Sgt. Andy Martinez

Lt. Gen. David G. Bellon, commander of Marine Forces Reserve and Marine Forces North, left, and Col. Vincent C. Dawson, commanding officer of Special Purpose Marine Air-Ground Task Force - Southern Command, tour the SPMAGTF-SC working facilities on Marine Corps Base Camp Lejeune, North Carolina, March 11, 2020. During the visit, Lt. Gen. Bellon greeted the Marines at their respective work areas and presented challenge coins to two Marines for their hard work preparing for the mobilization of the task force. Lt. Gen. Bellon shared his professional guidance and mentorship with the SPMAGTF-SC 20 Marines and Sailors from his experience working in Southern Command’s area of operations. The SPMAGTF are conducting a variety of pre-deployment training events and qualifications in order to enhance crisis response readiness for the Latin American and Caribbean region. (U.S. Marine Corps photo by Sgt. Andy O. Martinez)

Lt. Gen. David G. Bellon, commander of Marine Forces Reserve and Marine Forces North, left, and Col. Vincent C. Dawson, commanding officer of Special Purpose Marine Air-Ground Task Force - Southern Command, tour the SPMAGTF-SC working facilities on Marine Corps Base Camp Lejeune, North Carolina, March 11, 2020. During the visit, Lt. Gen. Bellon greeted the Marines at their respective work areas and presented challenge coins to two Marines for their hard work preparing for the mobilization of the task force. Lt. Gen. Bellon shared his professional guidance and mentorship with the SPMAGTF-SC 20 Marines and Sailors from his experience working in Southern Command’s area of operations. The SPMAGTF are conducting a variety of pre-deployment training events and qualifications in order to enhance crisis response readiness for the Latin American and Caribbean region. (U.S. Marine Corps photo by Sgt. Andy O. Martinez)

Photo by Sgt. Andy Martinez

Marines and Sailors with Special Purpose Marine Air-Ground Task Force - Southern Command prepare to shed their personal protective gear underwater during the basic swim qualification course at Marine Corps Base Camp Lejeune, North Carolina, March 11, 2020. SPMAGTF-SC’s Marines and Sailors are conducting a variety of pre-deployment training in order to prepare and be equipped as a naval expeditionary force-in-readiness. These training events assist in maintaining a strong and cohesive Navy and Marine Corps team, allowing the Marines and Sailors of the task force to prepare for accessing key maritime terrain, conduct operations at sea and deploy at a moment’s notice. (U.S. Marine Corps photo by Sgt. Andy O. Martinez)

Marines and Sailors with Special Purpose Marine Air-Ground Task Force - Southern Command prepare to shed their personal protective gear underwater during the basic swim qualification course at Marine Corps Base Camp Lejeune, North Carolina, March 11, 2020. SPMAGTF-SC’s Marines and Sailors are conducting a variety of pre-deployment training in order to prepare and be equipped as a naval expeditionary force-in-readiness. These training events assist in maintaining a strong and cohesive Navy and Marine Corps team, allowing the Marines and Sailors of the task force to prepare for accessing key maritime terrain, conduct operations at sea and deploy at a moment’s notice. (U.S. Marine Corps photo by Sgt. Andy O. Martinez)

Photo by Sgt. Andy Martinez

Marines and Sailors with Special Purpose Marine Air-Ground Task Force - Southern Command jump off a tower into a training pool during the basic swim qualification course, a part of the Marine Corps Water Survival Training Program, at Marine Corps Base Camp Lejeune, North Carolina, March 11, 2020. Marines and Sailors with SPMAGTF-SC are conducting a variety of pre-deployment training events and qualifications prior to deploying in order to enhance crisis response readiness in and around Central America, South America and the Caribbean. These events are held at Camp Lejeune and will assist the Marines and Sailors with providing security cooperation training and engineering projects alongside partner nation military forces in the Latin American and Caribbean region, as well as remaining ready to respond to crises in the event of an emergency within the region. (U.S. Marine Corps photo by Sgt. Andy O. Martinez)

Marines and Sailors with Special Purpose Marine Air-Ground Task Force - Southern Command jump off a tower into a training pool during the basic swim qualification course, a part of the Marine Corps Water Survival Training Program, at Marine Corps Base Camp Lejeune, North Carolina, March 11, 2020. Marines and Sailors with SPMAGTF-SC are conducting a variety of pre-deployment training events and qualifications prior to deploying in order to enhance crisis response readiness in and around Central America, South America and the Caribbean. These events are held at Camp Lejeune and will assist the Marines and Sailors with providing security cooperation training and engineering projects alongside partner nation military forces in the Latin American and Caribbean region, as well as remaining ready to respond to crises in the event of an emergency within the region. (U.S. Marine Corps photo by Sgt. Andy O. Martinez)

Photo by Sgt. Andy Martinez

Marines and Sailors with Special Purpose Marine Air-Ground Task Force - Southern Command jump off a tower into a training pool during the basic swim qualification course at Marine Corps Base Camp Lejeune, North Carolina, March 11, 2020. The basic swim qualification course requires Marines to shed personal protective gear underwater, swim and float in full utilities for 4 minutes, jump from a tower, and swim 25 meters with their pack. Marines and Sailors with SPMAGTF-SC are conducting a variety of pre-deployment training events and qualifications prior to deploying in order to enhance crisis response readiness in and around Central America, South America and the Caribbean. These events are held at Camp Lejeune and will assist the Marines and Sailors with providing security cooperation training and engineering projects alongside partner nation military forces in the Latin American and Caribbean region, as well as remaining ready to respond to crises in the event of an emergency within the region. (U.S. Marine Corps photo by Sgt. Andy O. Martinez)

Marines and Sailors with Special Purpose Marine Air-Ground Task Force - Southern Command jump off a tower into a training pool during the basic swim qualification course at Marine Corps Base Camp Lejeune, North Carolina, March 11, 2020. The basic swim qualification course requires Marines to shed personal protective gear underwater, swim and float in full utilities for 4 minutes, jump from a tower, and swim 25 meters with their pack. Marines and Sailors with SPMAGTF-SC are conducting a variety of pre-deployment training events and qualifications prior to deploying in order to enhance crisis response readiness in and around Central America, South America and the Caribbean. These events are held at Camp Lejeune and will assist the Marines and Sailors with providing security cooperation training and engineering projects alongside partner nation military forces in the Latin American and Caribbean region, as well as remaining ready to respond to crises in the event of an emergency within the region. (U.S. Marine Corps photo by Sgt. Andy O. Martinez)

Photo by Sgt. Andy Martinez

Marines and Sailors with Special Purpose Marine Air-Ground Task Force - Southern Command jump off a tower into a training pool during the basic swim qualification course, a part of the Marine Corps Water Survival Training Program, at Marine Corps Base Camp Lejeune, North Carolina, March 11, 2020. The Marine Corps Water Survival Training Program is designed to train Marines with the ability to survive in water. Marines and Sailors with SPMAGTF-SC are conducting a variety of pre-deployment training events and qualifications prior to deploying in order to enhance crisis response readiness in and around Central America, South America and the Caribbean. These events are held at Camp Lejeune and will assist the Marines and Sailors with providing security cooperation training and engineering projects alongside partner nation military forces in the Latin American and Caribbean region, as well as remaining ready to respond to crises in the event of an emergency within the region. (U.S. Marine Corps photo by Sgt. Andy O. Martinez)

Marines and Sailors with Special Purpose Marine Air-Ground Task Force - Southern Command jump off a tower into a training pool during the basic swim qualification course, a part of the Marine Corps Water Survival Training Program, at Marine Corps Base Camp Lejeune, North Carolina, March 11, 2020. The Marine Corps Water Survival Training Program is designed to train Marines with the ability to survive in water. Marines and Sailors with SPMAGTF-SC are conducting a variety of pre-deployment training events and qualifications prior to deploying in order to enhance crisis response readiness in and around Central America, South America and the Caribbean. These events are held at Camp Lejeune and will assist the Marines and Sailors with providing security cooperation training and engineering projects alongside partner nation military forces in the Latin American and Caribbean region, as well as remaining ready to respond to crises in the event of an emergency within the region. (U.S. Marine Corps photo by Sgt. Andy O. Martinez)

Photo by Sgt. Andy Martinez

Staff Sgt. Hector Rodriguez, a water safety and survival instructor with Deployment Processing Command Reserve Support Unit-East, demonstrates techniques to the Marines and Sailors of Special Purpose Marine Air-Ground Task Force - Southern Command during the basic swim qualification course at Marine Corps Base Camp Lejeune, North Carolina, March 11, 2020. The Marines and Sailors with SPMAGTF-SC are conducting a variety of pre-deployment training events and qualifications prior to deploying in order to enhance crisis response readiness in and around Latin America and the Caribbean. These events are held at Camp Lejeune and will assist the Marines and Sailors with providing security cooperation training and engineering projects alongside partner nation military forces in the Latin American and Caribbean region, as well as remaining ready to respond to crises in the event of an emergency within the region. (U.S. Marine Corps photo by Sgt. Andy O. Martinez)

Staff Sgt. Hector Rodriguez, a water safety and survival instructor with Deployment Processing Command Reserve Support Unit-East, demonstrates techniques to the Marines and Sailors of Special Purpose Marine Air-Ground Task Force - Southern Command during the basic swim qualification course at Marine Corps Base Camp Lejeune, North Carolina, March 11, 2020. The Marines and Sailors with SPMAGTF-SC are conducting a variety of pre-deployment training events and qualifications prior to deploying in order to enhance crisis response readiness in and around Latin America and the Caribbean. These events are held at Camp Lejeune and will assist the Marines and Sailors with providing security cooperation training and engineering projects alongside partner nation military forces in the Latin American and Caribbean region, as well as remaining ready to respond to crises in the event of an emergency within the region. (U.S. Marine Corps photo by Sgt. Andy O. Martinez)

Photo by Sgt. Andy Martinez

Sgt. Caleb Goodwin, an intelligence specialist with Special Purpose Marine Air-Ground Task Force - Southern Command, loads ammunition into an M9 service pistol during a Combat Pistol Program on Marine Corps Base Camp Lejeune, North Carolina, March 10, 2020. Marines and Sailors with SPMAGTF-SC are conducting a variety of pre-deployment training events and qualifications in order to enhance crisis response preparedness in and around Latin America and the Caribbean. These events assist the Marines and Sailors with providing security cooperation training and engineering projects alongside Partner Nation military forces in Central and South America. (U.S. Marine Corps photo by Sgt. Andy O. Martinez)

Sgt. Caleb Goodwin, an intelligence specialist with Special Purpose Marine Air-Ground Task Force - Southern Command, loads ammunition into an M9 service pistol during a Combat Pistol Program on Marine Corps Base Camp Lejeune, North Carolina, March 10, 2020. Marines and Sailors with SPMAGTF-SC are conducting a variety of pre-deployment training events and qualifications in order to enhance crisis response preparedness in and around Latin America and the Caribbean. These events assist the Marines and Sailors with providing security cooperation training and engineering projects alongside Partner Nation military forces in Central and South America. (U.S. Marine Corps photo by Sgt. Andy O. Martinez)

Photo by Sgt. Andy Martinez

Chief Warrant Officer 2 Lucas Sheehan, a counter intelligence and human intelligence officer with Special Purpose Marine Air-Ground Task Force - Southern Command, fires at a training target during a Combat Pistol Program on Marine Corps Base Camp Lejeune, North Carolina, March 10, 2020. These training events assist in maintaining a strong and cohesive Navy and Marine Corps team, allowing the Marines and Sailors of the task force to prepare for accessing key maritime terrain, conduct operations at sea and deploy at a moment’s notice. Marines and Sailors with SPMAGTF-SC are conducting a variety of pre-deployment training events and qualifications in order to enhance crisis response preparedness in and around Latin America and the Caribbean. These events assist the Marines and Sailors with providing security cooperation training and engineering projects alongside Partner Nation military forces in Central and South America. (U.S. Marine Corps photo by Sgt. Andy O. Martinez)

Chief Warrant Officer 2 Lucas Sheehan, a counter intelligence and human intelligence officer with Special Purpose Marine Air-Ground Task Force - Southern Command, fires at a training target during a Combat Pistol Program on Marine Corps Base Camp Lejeune, North Carolina, March 10, 2020. These training events assist in maintaining a strong and cohesive Navy and Marine Corps team, allowing the Marines and Sailors of the task force to prepare for accessing key maritime terrain, conduct operations at sea and deploy at a moment’s notice. Marines and Sailors with SPMAGTF-SC are conducting a variety of pre-deployment training events and qualifications in order to enhance crisis response preparedness in and around Latin America and the Caribbean. These events assist the Marines and Sailors with providing security cooperation training and engineering projects alongside Partner Nation military forces in Central and South America. (U.S. Marine Corps photo by Sgt. Andy O. Martinez)

Photo by Sgt. Andy Martinez

Sgt. Caleb Goodwin, an intelligence specialist with Special Purpose Marine Air-Ground Task Force - Southern Command, fires an M9 service pistol at a training target during a Combat Pistol Program on Marine Corps Base Camp Lejeune, North Carolina, March 10, 2020. This year marks the sixth consecutive deployment of a SPMAGTF that is solely dedicated to the U.S. Southern Command area of responsibility. Marines and Sailors with SPMAGTF-SC are conducting a variety of pre-deployment training events and qualifications in order to enhance crisis response preparedness in and around Latin America and the Caribbean. These events assist the Marines and Sailors with providing security cooperation training and engineering projects alongside Partner Nation military forces in Central and South America. (U.S. Marine Corps photo by Sgt. Andy O. Martinez)

Sgt. Caleb Goodwin, an intelligence specialist with Special Purpose Marine Air-Ground Task Force - Southern Command, fires an M9 service pistol at a training target during a Combat Pistol Program on Marine Corps Base Camp Lejeune, North Carolina, March 10, 2020. This year marks the sixth consecutive deployment of a SPMAGTF that is solely dedicated to the U.S. Southern Command area of responsibility. Marines and Sailors with SPMAGTF-SC are conducting a variety of pre-deployment training events and qualifications in order to enhance crisis response preparedness in and around Latin America and the Caribbean. These events assist the Marines and Sailors with providing security cooperation training and engineering projects alongside Partner Nation military forces in Central and South America. (U.S. Marine Corps photo by Sgt. Andy O. Martinez)

Photo by Sgt. Andy Martinez

Chief Warrant Officer 2 Davin Stewart, a personnel officer with Special Purpose Marine Air-Ground Task Force - Southern Command, loads a magazine with rounds during a Combat Pistol Program at Marine Corps Base Camp Lejeune, North Carolina, March 10, 2020. Marines and Sailors with SPMAGTF-SC are conducting a variety of pre-deployment training events and qualifications in order to enhance crisis response preparedness in and around Latin America and the Caribbean. These events assist the Marines and Sailors with providing security cooperation training and engineering projects alongside Partner Nation military forces in Central and South America. (U.S. Marine Corps photo by Sgt. Andy O. Martinez)

Chief Warrant Officer 2 Davin Stewart, a personnel officer with Special Purpose Marine Air-Ground Task Force - Southern Command, loads a magazine with rounds during a Combat Pistol Program at Marine Corps Base Camp Lejeune, North Carolina, March 10, 2020. Marines and Sailors with SPMAGTF-SC are conducting a variety of pre-deployment training events and qualifications in order to enhance crisis response preparedness in and around Latin America and the Caribbean. These events assist the Marines and Sailors with providing security cooperation training and engineering projects alongside Partner Nation military forces in Central and South America. (U.S. Marine Corps photo by Sgt. Andy O. Martinez)

Photo by Sgt. Andy Martinez

A Marine attached to Deployment Processing Command Reserve Support Unit-East, Force Headquarters Group, runs water of his face after gas chamber training at Marine Corps Base Camp Lejeune, North Carolina, Oct. 22, 2019. The DPC/RSU-East staff provide activated Reserve units/dets various types of training such as gas chamber qualification. During the qualification, Marines are taught chemical, biological, radiological and nuclear threats, reactions to CBRN attacks, and how to take proper care and use of a gas mask. (U.S. Marine Corps photo by Sgt. Andy O. Martinez)

A Marine attached to Deployment Processing Command Reserve Support Unit-East, Force Headquarters Group, runs water of his face after gas chamber training at Marine Corps Base Camp Lejeune, North Carolina, Oct. 22, 2019. The DPC/RSU-East staff provide activated Reserve units/dets various types of training such as gas chamber qualification. During the qualification, Marines are taught chemical, biological, radiological and nuclear threats, reactions to CBRN attacks, and how to take proper care and use of a gas mask. (U.S. Marine Corps photo by Sgt. Andy O. Martinez)

Photo by Sgt. Andy Martinez

Marines attached to Deployment Processing Command Reserve Support Unit-East, Force Headquarters Group, exit the gas chamber after gas chamber training at Marine Corps Base Camp Lejeune, North Carolina, Oct. 22, 2019. The DPC/RSU-East provided Marine Forces Reserve Marines with chemical, biological, radiological and nuclear defense training in order to build confidence with their gear. (U.S. Marine Corps photo by Sgt. Andy O. Martinez)

Marines attached to Deployment Processing Command Reserve Support Unit-East, Force Headquarters Group, exit the gas chamber after gas chamber training at Marine Corps Base Camp Lejeune, North Carolina, Oct. 22, 2019. The DPC/RSU-East provided Marine Forces Reserve Marines with chemical, biological, radiological and nuclear defense training in order to build confidence with their gear. (U.S. Marine Corps photo by Sgt. Andy O. Martinez)

Photo by Sgt. Andy Martinez

A Marine attached to Deployment Processing Command Reserve Support Unit-East, Force Headquarters Group, breaks the seal of his gas mask during gas chamber training at Marine Corps Base Camp Lejeune, North Carolina, Oct. 22, 2019. The DPC/RSU-East staff conducted gas chamber training, an annual training event, requiring Marines to be exposed to chlorobenzalmalononitrile tablets, also known as CS gas, in order to familiarize themselves with their gas mask. (U.S. Marine Corps photo by Sgt. Andy O. Martinez)

A Marine attached to Deployment Processing Command Reserve Support Unit-East, Force Headquarters Group, breaks the seal of his gas mask during gas chamber training at Marine Corps Base Camp Lejeune, North Carolina, Oct. 22, 2019. The DPC/RSU-East staff conducted gas chamber training, an annual training event, requiring Marines to be exposed to chlorobenzalmalononitrile tablets, also known as CS gas, in order to familiarize themselves with their gas mask. (U.S. Marine Corps photo by Sgt. Andy O. Martinez)

Photo by Sgt. Andy Martinez

A Marine attached to Deployment Processing Command Reserve Support Unit-East, Force Headquarters Group, detaches a gas mask filter on another Marine during gas chamber training at Marine Corps Base Camp Lejeune, North Carolina, Oct. 22, 2019. The DPC/RSU-East staff provide activated Reserve units/dets various types of training such as gas chamber qualification. During the qualification, Marines are taught chemical, biological, radiological and nuclear threats, reactions to CBRN attacks, and how to take proper care and use of a gas mask. (U.S. Marine Corps photo by Sgt. Andy O. Martinez)

A Marine attached to Deployment Processing Command Reserve Support Unit-East, Force Headquarters Group, detaches a gas mask filter on another Marine during gas chamber training at Marine Corps Base Camp Lejeune, North Carolina, Oct. 22, 2019. The DPC/RSU-East staff provide activated Reserve units/dets various types of training such as gas chamber qualification. During the qualification, Marines are taught chemical, biological, radiological and nuclear threats, reactions to CBRN attacks, and how to take proper care and use of a gas mask. (U.S. Marine Corps photo by Sgt. Andy O. Martinez)

Photo by Sgt. Andy Martinez

U.S. Marine Corps Cpl. Jigme Tsering, a network administrator with 6th Communication Battalion, Force Headquarters Group, clears his gas mask during gas chamber training at Marine Corps Base Camp Lejeune, North Carolina, Oct. 22, 2019. The DPC/RSU-East staff conducted gas chamber training, an annual training event, requiring Marines to be exposed to chlorobenzalmalononitrile tablets, also known as CS gas, in order to familiarize themselves with their gas mask. (U.S. Marine Corps photo by Sgt. Andy O. Martinez)

U.S. Marine Corps Cpl. Jigme Tsering, a network administrator with 6th Communication Battalion, Force Headquarters Group, clears his gas mask during gas chamber training at Marine Corps Base Camp Lejeune, North Carolina, Oct. 22, 2019. The DPC/RSU-East staff conducted gas chamber training, an annual training event, requiring Marines to be exposed to chlorobenzalmalononitrile tablets, also known as CS gas, in order to familiarize themselves with their gas mask. (U.S. Marine Corps photo by Sgt. Andy O. Martinez)

Photo by Sgt. Andy Martinez

A Marine attached to Deployment Processing Command Reserve Support Unit-East, Force Headquarters Group, detaches a gas mask filter on another Marine during gas chamber training at Marine Corps Base Camp Lejeune, North Carolina, Oct. 22, 2019. The DPC/RSU-East provided Marine Forces Reserve Marines with chemical, biological, radiological and nuclear defense training in order to build confidence with their gear. (U.S. Marine Corps photo by Sgt. Andy O. Martinez)

A Marine attached to Deployment Processing Command Reserve Support Unit-East, Force Headquarters Group, detaches a gas mask filter on another Marine during gas chamber training at Marine Corps Base Camp Lejeune, North Carolina, Oct. 22, 2019. The DPC/RSU-East provided Marine Forces Reserve Marines with chemical, biological, radiological and nuclear defense training in order to build confidence with their gear. (U.S. Marine Corps photo by Sgt. Andy O. Martinez)

Photo by Sgt. Andy Martinez

U.S. Marine Corps Cpl. Jigme Tsering, a network administrator with 6th Communication Battalion, Force Headquarters Group, breaks the seal of his gas mask during gas chamber training at Marine Corps Base Camp Lejeune, North Carolina, Oct. 22, 2019. The DPC/RSU-East staff provide activated Reserve units/dets various types of training such as gas chamber qualification. During the qualification, Marines are taught chemical, biological, radiological and nuclear threats, reactions to CBRN attacks, and how to take proper care and use of a gas mask. (U.S. Marine Corps photo by Sgt. Andy O. Martinez)

U.S. Marine Corps Cpl. Jigme Tsering, a network administrator with 6th Communication Battalion, Force Headquarters Group, breaks the seal of his gas mask during gas chamber training at Marine Corps Base Camp Lejeune, North Carolina, Oct. 22, 2019. The DPC/RSU-East staff provide activated Reserve units/dets various types of training such as gas chamber qualification. During the qualification, Marines are taught chemical, biological, radiological and nuclear threats, reactions to CBRN attacks, and how to take proper care and use of a gas mask. (U.S. Marine Corps photo by Sgt. Andy O. Martinez)

Photo by Sgt. Andy Martinez

U.S. Marine Corps Cpl. Thomas Ellensohn, a cyber systems administrator with 6th Communication Battalion, Force Headquarters Group, breaks the seal of his gas mask during gas chamber training at Marine Corps Base Camp Lejeune, North Carolina, Oct. 22, 2019. The DPC/RSU-East provided Marine Forces Reserve Marines with chemical, biological, radiological and nuclear defense training in order to build confidence with their gear. (U.S. Marine Corps photo by Sgt. Andy O. Martinez)

U.S. Marine Corps Cpl. Thomas Ellensohn, a cyber systems administrator with 6th Communication Battalion, Force Headquarters Group, breaks the seal of his gas mask during gas chamber training at Marine Corps Base Camp Lejeune, North Carolina, Oct. 22, 2019. The DPC/RSU-East provided Marine Forces Reserve Marines with chemical, biological, radiological and nuclear defense training in order to build confidence with their gear. (U.S. Marine Corps photo by Sgt. Andy O. Martinez)

Photo by Sgt. Andy Martinez