Memorial Day is the unofficial start of summer. It's a time to gather with friends and family for a grill out, a picnic, or maybe a trip to the beach to soak up the sun. But while it may well feel like a day of celebration, what sometimes gets forgotten is that it was conceived as a day of commemoration for the brave military members who died serving their country.  

A University of Phoenix survey found that less than half of Americans polled knew the exact purpose of Memorial Day, while around a third were unsure of the difference between Memorial Day and Veterans Day.

To clarify, Veterans Day, which takes place in November, is a tribute to all those who served honorably in the military in wartime or peacetime, whether living or dead.

The confusion is compounded by Armed Forces Day, a military celebration held in May for those currently serving. However, while the reasons differ, the sentiment of each day is the same: all three are important opportunities to show gratitude.

So, when you chow down on that hot dog, barrel down that slip 'n slide, or whatever you do for fun this Memorial Day, spare a moment to acknowledge the people in uniform whose sacrifice made a difference.

On this Memorial Day, watch the video for a surprise reunion of battle buddies bonded by the loss of their leader

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