Firefighters watch as an air tanker drops retardant while battling the Ferguson fire in the Stanislaus National Forest, near Yosemite National Park, California on July 21, 2018. A fire that claimed the life of one firefighter and injured two others near California's Yosemite national park has almost doubled in size in three days, authorities said Friday. (Photo by Noah Berger/AFP Photo)

A German special anti-tank gun is ready to fire during the army maneuvers in Silesia, Poland, on September 22, 1928. (Photo by AP Photo)

A Saudi soldier fires a mortar towards Houthi movement position, at the Saudi border with Yemen April 21, 2015. (Photo by Reuters/Stringer)

A line of soldiers firing handguns during a training session, circa 1920. (Photo by Keystone). P.S. All pictures are presented in high resolution.

A woman uses a tree branch to fight a fire on the road leading to the village of Parada, near Mortagua, northern Portugal, Thursday, August 11 2016. Firefighters in Portugal are battling multiple blazes fed by brush in a hot, dry summer for a sixth straight day. Major fires have also been raging in northwestern Spain and southern France. (Photo by Sergio Azenha/AP Photo)

Waverly Fire's Tell Hanes, left, and Southeast Fire's Trey Wayne, right, jump over freezing water to high five while participating in a Surface Ice rescue technician course on Friday, January 6, 2023, at Holmes Lake Park in Lincoln, Neb. The International Rescue and Relief department at Union college held rescue training course at Holmes Lake for students and local fire departments. (Photo by Kenneth Ferriera/Lincoln Journal Star via AP Photo)

Flames quickly grow as firefighters set a backfire on the eastern front of the Park Fire, which has grown to 360,141 acres and is 12 percent contained, on July 28, 2024 near Chico, California. Strong winds and dried vegetation fueled the fire that exploded 70,000 acres in the first 24 hours after a man allegedly pushed a burning car into a ravine to intentionally set the blaze. (Photo by David McNew/Getty Images)