A few months ago, Ford asked truck owners across the nation to concoct the toughest, most challenging tasks they could for the newly redesigned 2015 F-150. The automaker received over 15,000 responses, from which they selected four winners who recently got to put the truck through their own unique durability tests. One of those winners was Brian Schober, an Arizona resident who works as a test engineer in Yuma. So what challenge did he think up for the 2015 F-150? Read more to find out.