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.
1/22/2026 - https://news.usni.org/2026/01/16/u-s-japan-pledge-to-expand-joint-training-across-first-island-chain
1/20/2026 - https://www.stripes.com/branches/marine_corps/2026-01-14/camp-lejeune-marines-okinawa-korea-20401552.html
1/14/2026 - https://www.stripes.com/branches/marine_corps/2026-01-13/iii-mef-marine-corps-okinawa-expeditionary-20390710.html
1/12/2026 - https://www.breitbart.com/national-security/2026/01/12/u-s-deploys-50-marines-for-joint-training-with-panamanian-forces/
1/07/2026 - https://www.redcross.org/local/north-carolina/about-us/news-and-events/news/u-s--marines-awarded-life-saving-award-on-camp-lejeune.html