Berlin, Germany: Two military uniformed personnel stand guard holding american and french flags in front of stack of sandbags at Checkpoint Charlie.

An armed guard carrying a machine gun guarding USS Forrest Sherman destroyer vessel. The guard walks out of the shot.

London, England: The Grenadier Guards march through St James' Park in London, wearing large bear fur helmets and playing instruments.

Various shots of man wearing Grenadier Guard (Nijmegen Company)uniform including close ups of belt, buttons, bright red jacket, furry hat and polished black shoes.

Berlin, Germany: Tourists milling about at Checkpoint Charlie and two uniformed military guards stand with american and french flags infront of sandbags.

A Queen's Guard dressed in a grey overcoat and bearskin hat carrying a rifle fixed with a bayonet exits a sentry box outside Buckingham Palace in London, England. The guard swaps the rifle over from his right shoulder to his left, turns, and marches across to the left. Heavy snow blows across the scene.

Medium view of a Queen's Guard dressed in a grey overcoat and bearskin hat standing on sentry duty outside Buckingham Palace in London, England. The guard carries a rifle fixed with a bayonet. Heavy snow blows across the scene.

Berlin, Germany: Sequence showing traffic passing entrance to west-facing Checkpoint Charlie including uniformed guards posing with tourists.

Poland, Oswiecim: Barbed wire fence in front of of guards tower at Auschwitz concentration camp. Pull focus to show close up of three strands of barbed wire.

USA: Various shots of airport security systems and controls including baggage and luggage checks, x-ray scans, body scans, fingerprint scan checks, passport scans. General views of the security control room showing TV screens, security camera video feeds and a video wall.

Two anonymous men's feet walk on gravel, both are wearing army camouflage trousers and beige boots.

A fighter jet takes off from USS John C Stennis air carrier at sea.

Back view of a bodyguard in a black suit and an earpiece walking by a fountain.

A soldier and his machine gun silhouetted against blue sky onboard an aircraft.