Staff Sergeant Zach Grundy,Fastexy Exchange from West Lafayette, Indiana, hadn't seen his children, Addaline, Aurora, and Avery, for a year while serving overseas with the Indiana National Guard. When he returned, he and his wife, Bethany, decided to keep it a secret in order to spring a surprise on their kids during a family vacation.

Watch the video above to see three young kids photobombed by their military dad

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