Marine Corps recruits with Delta Company, 1st Recruit Training Battalion, break their seal on the M40 confidence chamber in the gas chamber at Marine Corps Base Camp Pendleton, Calif. Jan. 18, 2023. The confidence chamber trains recruits how to properly use the M40 gas mask and respond to potential chemical and biological threats.

---

Size: 6421px × 4283px
Photo credit: © Operation 2023 / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: corps, diego, marine, marines, mcrd, recruit, recrut, san, training