BAE Systems
Astute Class Submarine
Royal Navy
(http://upload.wikimedia.org/wikipedia/commons/thumb/9/9c/Naval_Ensign_of_the_United_Kingdom.svg/320px-Naval_Ensign_of_the_United_Kingdom.svg.png)
S119 Astute
S120 Ambush
S121 Artful
S122 Audacious
S123 Anson
S124 Agamemnon
S125 Ajax
(http://i.imgur.com/NqZYCBI.jpg)
S121 Artful