Captain Hyrum Bronson's family thought he wasn't due back from Afghanistan for three weeks - so when he rose up from the sea in full uniform you can imagine their reaction.
The delighted family - wife Bethany and their four children - didn't realise who it was at first.
Hyrum, who had been away for six months, said: "Mrs Bronson, your husband here reporting for duty."
Mrs Bronson duly breaks into tears, kids go crazy, internet weeps...
(Listen out for the first few seconds when the cameraman nearly gives the game away...)
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