How The US Army Inspired The First McDonald's Drive-Thru - Chowhound

kckate16/Shutterstock It's hard to imagine a McDonald's restaurant without a drive-thru window, but before 1975 that was the reality. McDonald's isn't necessarily known for being a trendsetter. It wasn't even the first fast food company to introduce French fries to its menu. That honor actually goes to White Castle. Similarly, McDonald's was late to the game when it came to giving customers the opportunity to…