“We have intelligence reports on that as well as some on-the-ground reports,” Hagel said, according to a transcript released by the Pentagon.
The Pentagon said Thursday night that one C-17 and two C-130 cargo planes dropped 72 bundles of supplies near Sinjar. They included 5,300 gallons of water and 8,000 prepackaged meals, senior U.S. officials said. They left open the possibility of more air drops, something that appears possible, considering that human rights workers have estimated that up to 40,000 civilians may be trapped on the mountain, unable to return their homes for fear of being killed by militants.
The Pentagon did not provide more specifics about the airdrops, including what happened to the 12 pallets that missed their mark. However, it’s all but certain that the supplies were dropped using GPS devices that the U.S. military has used for years. One of the most common systems is known as the Joint Precision Airdrop System, which uses a GPS unit, a parachute and electric motors to guide deliveries toward their target as they fall, defense officials say.
Here’s a video demonstrating it in action over Afghanistan in 2011 in a C-17:
UPDATE: Aug. 8, 4:50 p.m.: This piece was updated to reflect numbers provided by the Pentagon on Friday afternoon in terms of the number of pallets that reached their target.
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