Former soldiers are using the key skills they learned in combat to help improve the mental health of Australian youths. Kids aged 10-18 have been amongst the hardest hit by lockdowns, now military-style boot camp is helping them get back on track. 7NEWS at 6pm. More local news: 7news.com.au/news/Sydney #7NEWS | 7NEWS Sydney

We got an inside look at how US Navy recruits are exposed to tear gas during basic training. Insider spent five days at Navy Recruit Training Command, Great Lakes, where we observed recruits at various stages of their 10-week boot camp. During the fourth week of training, recruits learn how to properly don an M50 gas mask and are exposed to CS gas in the "confidence chamber." While wearing a gas mask, the recruits watch as an instructor burns a CS capsule over a hot plate, filling the chamber wi