Smoke and the start of a fire retardant containment line dropped by a Modular Airborne Fire Fighting System-equipped C-130 Hercules aircraft near California’s South Fork Fire, south of Yosemite National Park are visible, Aug. 14, 2017. MAFFS-equipped C-130s and aircrews from the Air Force Reserve are providing support to the U.S. Forest Service fire suppression efforts from Air Tanker Base Fresno, California. (U.S. Air Force photo/Master Sgt. Thomas Freeman)

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Photo by: Master Sgt. Thomas Freeman |  VIRIN: 170816-F-XX465-0001.JPG