Do US Military officer candidates have to go through the tear gas chamber?

Asking for all branches. Just curious because I know that enlisted recruits have to do it in basic training, but I’ve heard mixed things about officers. Some say they did it, others said they didn’t. One source said that US marine officers do it during The Basic School, some say they never did it at all. Just need... show more Asking for all branches. Just curious because I know that enlisted recruits have to do it in basic training, but I’ve heard mixed things about officers. Some say they did it, others said they didn’t. One source said that US marine officers do it during The Basic School, some say they never did it at all. Just need some clarification on today’s standards. Anyone who knows the answer or personally went through it is appreciated. Thanks
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