![Royal Navy on Twitter: "Submariners set for zombie challenge #HMSAmbush http://t.co/XKOI5cwNnH http://t.co/lbSf51OZmP" / Twitter Royal Navy on Twitter: "Submariners set for zombie challenge #HMSAmbush http://t.co/XKOI5cwNnH http://t.co/lbSf51OZmP" / Twitter](https://pbs.twimg.com/media/BTJsw0BCEAABIAU.jpg)
Royal Navy on Twitter: "Submariners set for zombie challenge #HMSAmbush http://t.co/XKOI5cwNnH http://t.co/lbSf51OZmP" / Twitter
![Chief of the Defence Staff 🇬🇧 on Twitter: "To recognise the unique ethos of the #SubmarineService within the @RoyalNavy, approval has been given for all qualified submariners, ratings and officers, to wear Chief of the Defence Staff 🇬🇧 on Twitter: "To recognise the unique ethos of the #SubmarineService within the @RoyalNavy, approval has been given for all qualified submariners, ratings and officers, to wear](https://pbs.twimg.com/media/E6UtDB-XsAADqw6.jpg:large)
Chief of the Defence Staff 🇬🇧 on Twitter: "To recognise the unique ethos of the #SubmarineService within the @RoyalNavy, approval has been given for all qualified submariners, ratings and officers, to wear
![Exclusive glimpse behind the scenes of the Royal Navy's gruelling submarine command course known as Perisher - Daily Record Exclusive glimpse behind the scenes of the Royal Navy's gruelling submarine command course known as Perisher - Daily Record](https://i2-prod.dailyrecord.co.uk/incoming/article2364519.ece/ALTERNATES/s1200c/HMS-Talent-submarine.jpg)