![](https://www.historynet.com/wp-content/uploads/2009/11/Blitz-push-pin-960_640.jpg)
Stretched across a wall in Churchill’s Cabinet War Rooms, thousands of pushpin holes chart the life saving convoys that crossed the Atlantic. (Guy Aceto)
Stretched across a wall in Churchill’s Cabinet War Rooms, thousands of pushpin holes chart the life saving convoys that crossed the Atlantic. (Guy Aceto)