U.S. Department Of Defense

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This image made from a Thursday, April 13, 2017 video released by the U.S. Department of Defense shows a plume of smoke rising from a GBU-43/B Massive Ordnance Air Blast bomb strike on an Islamic State militant cave and tunnel systems in the Achin district of the Nangarhar Province in eastern Afghanistan. U.S. forces in Afghanistan on Thursday struck an Islamic State tunnel complex in eastern Afghanistan with the largest non-nuclear weapon every used in combat by the U.S. military, Pentagon officials said. (U.S. Department of Defense via AP)

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This image made from a Thursday, April 13, 2017 video released by the U.S. Department of Defense shows a GBU-43/B Massive Ordnance Air Blast bomb strike on an Islamic State militant cave and tunnel systems in the Achin district of the Nangarhar Province in eastern Afghanistan. U.S. forces in Afghanistan on Thursday struck an Islamic State tunnel complex in eastern Afghanistan with the largest non-nuclear weapon every used in combat by the U.S. military, Pentagon officials said. (U.S. Department of Defense via AP)

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This satellite image released by the U.S. Department of Defense shows a damage assessment image of Shayrat air base in Syria, following U.S. Tomahawk Land Attack Missile strikes on Friday, April 7, 2017 from the USS Ross (DDG 71) and USS Porter (DDG 78), Arleigh Burke-class guided-missile destroyers. The United States blasted the air base with a barrage of cruise missiles on Friday, April 7, 2017 in fiery retaliation for this week's gruesome chemical weapons attack against civilians. (DigitalGlobe/U.S. Department of Defense via AP)

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This satellite image released by the U.S. Department of Defense shows a damage assessment image of Shayrat air base in Syria, following U.S. Tomahawk Land Attack Missile strikes on Friday, April 7, 2017 from the USS Ross (DDG 71) and USS Porter (DDG 78), Arleigh Burke-class guided-missile destroyers. The United States blasted the air base with a barrage of cruise missiles on Friday, April 7, 2017 in fiery retaliation for this week's gruesome chemical weapons attack against civilians. (DigitalGlobe/U.S. Department of Defense via AP)

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This satellite image released by the U.S. Department of Defense shows a damage assessment image of Shayrat air base in Syria, following U.S. Tomahawk Land Attack Missile strikes on Friday, April 7, 2017 from the USS Ross (DDG 71) and USS Porter (DDG 78), Arleigh Burke-class guided-missile destroyers. The United States blasted the air base with a barrage of cruise missiles on Friday, April 7, 2017 in fiery retaliation for this week's gruesome chemical weapons attack against civilians. (DigitalGlobe/U.S. Department of Defense via AP)

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This Oct. 7, 2016 satellite image released by the U.S. Department of Defense shows Shayrat air base in Syria. The United States blasted a Syrian air base with a barrage of cruise missiles on Friday, April 7, 2017 in fiery retaliation for this week's gruesome chemical weapons attack against civilians. (DigitalGlobe/U.S. Department of Defense via AP)

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In this Dec. 6, 2012, photo provided by the U.S. Department of Defense, soldiers assigned to 6th Engineer Battalion use snow shoes during Arctic Light Individual Training on the Bulldog Trail in sub-zero conditions at Joint Base Elmendorf-Richardson, Alaska. ALIT is the United States Army Alaska's Cold Weather Indoctrination program. It gives all soldiers, regardless of their job, the foundation to successfully work, train, and go to war in some of the harshest environments in the world. (AP Photo/U.S. Air Force, Justin Connaher) **FILE**

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U.S. Department of Defense

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In a Thursday, Feb. 20, 2014 photo, Granite School District Police Chief Randy Johnson poses with one of the M-16s he received from the U.S. Department of Defense. The Granite School District in the Salt Lake City area obtained the weapons from a U.S. Department of Defense program that gives surplus equipment to police agencies. (AP Photo/The Salt Lake Tribune, Rick Egan) DESERET NEWS OUT; LOCAL TV OUT; MAGS OUT