A firefighter monitors flames from the Rocky Fire as it approaches a home late last month. The wildfire has consumed thousands of acres in just over a week. Justin Sullivan/Getty Images hide caption

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An aerial tanker drops fire retardant on a wildfire threatening homes near Yarnell, Ariz., on July 1. An elite crew of firefighters was overtaken by the out-of-control blaze on June 30, killing 19 members as they tried to protect themselves from the flames under fire-resistant shields. Chris Carlson/AP hide caption

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