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A second radiograph showing flaws
A second radiograph showing the outlet tube. The radiographs are analyzed with software similar to that used for X-rays, and the files can be e-mailed to relevant parties.
Tnaks loaded into a C-130
Once any repairs have been made and the tanks have been OK'd for service, they make their way back to the airstrip, where they're loaded onto a MAFF and into a C-130...
Mixing a retardant cocktail and sending it through a straw
...and refilled with the concoction of retardant and water. Here we see the retardant cocktail being mixed (top) and pumped into a tank.