This is the story of a Fleet Air Arm squadron engaged in what Churchill called "the most vital battle of all" - the Battle of the Atlantic. Russian convoys, the Atlantic and Gibraltar are seen through the eyes of the aircrew whose courage and flying skill played an important role in helping the merchant vessels fight their way through. Written by a man who joined the squadron on the day it was formed, and became its commanding officer, the book offer an account of a close-knit group of men flying in conditions of extreme hazard on some of the most demanding missions of the war.