The HMS Artful started sea trials on August 13. The sub is the third of seven new nuclear attack submarines in production for the UK Royal Navy.
Royal Navy tests advanced nuclear sub

UNITED STATES - FEBRUARY 01: Photo of Betty DAVIS; Posed studio portrait of Betty Davis, on motorbike (Photo by Fin Costello/Redferns)
Circa 1958, American singer and actor Elvis Presley (1935 - 1977) sits in a restaurant wearing his US Army uniform. (Photo by Getty Images/Getty Images)