. >> this is miss kate dansey's kindergarten class. they've been learning about the military.y got a special gift. >> everybody welcome mr. stark. >> that's william stark. tor than a special guest. that's more than a lesson about the military. >> this is her daddy william. >> i missed you. >> i missed you. >> he's been gone for six months. he's been deployed in guam. this moment is priceless. >> if you think about it, it is a lesson on the military, these kids realizing some of these dads and moms are away from their friends. they're learning. >> can everybody give him a hand? >> look at her face. >>> over to this bus station in ireland. >> who is that? who's that? is that dadda? ruby spotted her dad patrick. he was gone for two months in kabul. when she sees him she's like yes, daddy's home! >> it's nice, she saw him immediately. >> imagine if your little girl didn't recognize you because you were gone so long? >> it's a significant chunk of their life. >> is that dad? >> his wife recorded all of this. she was super excited to see him. patrick tells us he's ex-military and he