The dramatic story of how the Royal Navy transformed ordinary citizens into first-rate sailors and navy personnel during the Second World War.This concise introduction, illustrated in the classic Shire Library style, contains:- how naval forces were recruited and trained- how they endured life at sea in hostile waters- their experiences protecting convoys in the Mediterranean, hunting submarines in the Atlantic, and standing up to relentless air attacks in the Pacific.Told through vivid first-hand accounts of life onboard, it reveals what it was like to be a sailor navigating, patrolling, and fighting in the largest theatre of the war – the vast oceans.