US servicemen, army, airforce, marines and navy provide security at The National World War II Memorial, Washington DC, USA

Bronze battleship relief at the National World War II Memorial, Washington DC, United States of America

Headstones at a United States Military Cemetery at Utah Beach in Normandy, France. Flowers have been left beside one of the crosses dedicated to a US serviceman.

American servicemen at The National World War II Memorial, Washington DC, United States of America

Servicemen at the National World War II Memorial, Washington DC, United States of America

Headstones at a United States Military Cemetery at Utah Beach in Normandy, France. Flowers have been left beside one of the crosses.

Headstones at a German Military Cemetery where 21,222 Germans are buried at La Combe in Normandy, France

Headstones at a United States Military Cemetery at Utah Beach in Normandy, France. Flowers have been left beside one of the crosses.

Greek soldier, an Evzone, on sentry duty outside the Parliament building, Athens, Greece

Greek soldier, an Evzone, outside the Presidential Palace, Athens, Greece

Greek soldier, an Evzone, outside the Presidential Palace, Athens, Greece

Greek soldier, an Evzone, outside the Presidential Palace, Athens, Greece

War graves, 1st World War, Nienberge, Schonebeck, Haus Spital settlement, Muenster, North Rhine-Westphalia, Germany, Europe

Greece, Attica, Athens, Greek soldiers, Evzones, beside Tomb of the Unknown Soldier, outside Parliament building.

USA, Washington DC, National Mall, Vietnam Veterans Memorial, The Three Soldiers or Three Servicemen Statue.

Greece, Attica, Athens, Greek soldiers, Evzones, marching beside Tomb of the Unknown Soldier, outside Parliament building.

Greece, Attica, Athens, Greek soldier, Evzone, marching beside Tomb of the Unknown Soldier, outside Parliament building.

Greece, Attica, Athens, Greek soldiers, Evzones, marching beside Tomb of the Unknown Soldier, outside Parliament building.

Greece, Attica, Athens, Greek soldier, an Evzone, beside Tomb of the Unknown Soldier, outside Parliament building.