Following is a transcript of the video. Instructor: Gas, gas, gas! Narrator: These Marine recruits are being exposed to CS gas, more commonly known as tear gas, to experience its effects and to ...

Following is a transcript of the video. Narrator: These Army infantry recruits are being exposed to CS gas, more commonly known as tear gas to experience its effects and to learn how to properly ...

CS gas is not lethal but causes sensory irritation including to the lungs, skin and eyes. Both Russia and Ukraine have accused each other of using chemical weapons in the three-year-long conflict.