Ted Goodman wrote about the military’s role in the creation of McDonald’s drive thrus.

• In 1975 the McDonald’s brand was running strong and it was a well-known and popular fast food restaurant.
• At the time a military base in Arizona had a rule against soldiers wearing their military fatigues in local establishments.
• McDonald’s wanted their business though, and to get around the military’s rules, they created an outdoor window that soldiers could order from, without having to actually enter the restaurant.
• Today this is recognized as the first ever McDonald’s drive thru.
• Sadly, while McDonald’s has a plaque memorializing it, the drive thru itself no longer exists – it has been turned into a parking lot.

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Source: Daily Caller