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These members of the Navy make a festive video after learning they're heading home for Christmas.
The sailors perform a parody of Mariah Carey's classic and the video's description on YouTube explains the sacrifices that these brave men and women make to serve their country.
The crew on-board HMS Ocean had been away for 7 and a half months, travelled over 40,000 miles and used 6,000 tonnes of fuel.
The joy of knowing they were heading back to the UK for Christmas with their families is clear to see. We salute you!