At least 17 troops have died of heat exposure during training exercises at US military bases since 2008, per the Pentagon.

At least 17 troops have died of heat exposure during training exercises at US military bases since 2008, per the Pentagon.

They include an 18-year-old cadet, a 21-year-old on his first day of training, and a fit Marine who died after a 6-mile hike. https://t.co/XYeRRp4JKH (1/8)

— NBC News (@NBCNews) July 23, 2019

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