Multiple outlets report that heatstroke cases in the U.S. military increase again in 2025, continuing a trend seen the prior year. The reporting cites new data released by the Defense Health Agency. According to the articles, the rise in cases occurs as units continue efforts to address heat-related illness, including pushing for greater awareness and using technology intended to help prevent or detect dangerous overheating conditions. The coverage is consistent across outlets: all attribute the trend to the Defense Health Agency’s updated figures and characterize the increase as the second consecutive year. While the reports note ongoing initiatives by military units to mitigate risk, they do not, in the provided text, specify exact case counts, rates, or which branches were affected most. Overall, the sources present the same core finding—an increase in reported heatstroke cases in 2025—while indicating that prevention measures and heightened attention to heat safety remain active responses to the problem.