If this doesn't warm your heart, you must be made of stone.
US soldier Cpl James Bass pulled this brilliant surprise on his son Joshua after being on tour in Kuwait for a year.
As the lad was having his school photo done, his dad crept up behind and photobombed the shot.
When Joshua had a look at the photographer's camera his dad was in the back of the photo.
When he turns around to see his old man standing there his reaction is priceless...
https://www.youtube.com/watch?feature=player_embedded&v=0Ol7c6REPl4
