In this exciting new series, Julia Bradbury and JJ Chalmers are given unprecedented access to the Royal Navy.

From joining the UK's biggest and most powerful warship to meeting Royal Marine Commando recruits in the thick of training, this three-part series goes behind the scenes to reveal what life is really like in today's Royal Navy.

Throughout the series, Julia and JJ also discover how crucial historical events shaped our oldest fighting force, from the sinking of Tudor warship the Mary Rose, to the Falklands conflict.