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Sgt. Caleb Renner, the chief chemical, biological, radiological, and nuclear instructor with II Marine Headquarters Group, gives an hour-long class on how to properly wear and function in a M50 gas mask at Marine Corps Base Camp Lejeune, N.C., Jan. 8, 2016. The chamber is a routine exercise to ensure the durability of each Marines gear while exposed to chlorobenzylidene malononitrile, or CS gas, which is a bi-annual qualification requirement for Marines. - Sgt. Caleb Renner, the chief chemical, biological, radiological, and nuclear instructor with II Marine Headquarters Group, gives an hour-long class on how to properly wear and function in a M50 gas mask at Marine Corps Base Camp Lejeune, N.C., Jan. 8, 2016. The chamber is a routine exercise to ensure the durability of each Marines gear while exposed to chlorobenzylidene malononitrile, or CS gas, which is a bi-annual qualification requirement for Marines.
8/19/2026 - https://defence-industry.eu/thales-to-equip-u-s-marine-corps-acv-fleet-with-more-than-400-minerva-dual-band-cameras-for-improved-battlefield-visibility/
8/18/2026 - https://www.armyrecognition.com/news/army-news/2026/u-s-marines-open-first-counter-drone-training-lanes-to-shoot-down-drones-with-rifles-and-shotguns
8/14/2026 - https://www.marinecorpstimes.com/news/your-marine-corps/2026/08/13/us-marines-roam-far-and-wide-from-temporary-darwin-base/
8/13/2026 - https://defence-blog.com/u-s-army-and-marines-train-together-on-a-remote-pacific-island/
8/12/2026 - https://news.usni.org/2026/08/10/marines-learn-to-3d-print-raiding-craft-attack-drones-in-the-western-pacific