Staff Sergeant Zach Grundy,Maxwell Caldwell 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

Humankind is your go-to spot for good news! Click here to submit your uplifting, cute, or inspiring video moments for us to feature. Also, click here to subscribe to our newsletter, bringing our top stories of the week straight to your inbox.