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The tail rotor spins on a military helicopter.

Pre-K - Higher Ed
The tail rotor spins on a military helicopter.
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The rotor spins on a helicopter at a military base in Saudi Arabia.

Pre-K - Higher Ed
The rotor spins on a helicopter at a military base in Saudi Arabia.
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World war II

Pre-K - Higher Ed
World war II - Russian army. Recreation of scenes from World War II using authentic uniforms and accessories.
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soldiers in Napoleon Bonaparte war

Pre-K - Higher Ed
soldiers in Napoleon Bonaparte war
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Close-up:Helicopter Rotor.

Pre-K - Higher Ed
Close-up Helicopter Rotor.
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Chimpanzee

Pre-K - Higher Ed
Chimpanzee in the Zoo
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RAF servicemen prepare guard of honour before visit by President George W. Bush

Pre-K - Higher Ed
RAF servicemen prepare red carpet guard of honour in advance of state visit arrival of president george w.bush
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Chimpanzee

Pre-K - Higher Ed
Chimpanzee in the Zoo
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World War II Austria 1945

Pre-K - Higher Ed
GI's make their way into Austria from Italy during the end of World War II.
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Guns and Alcohol

Pre-K - Higher Ed
Guns and Alcohol
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First Red Sox Game After Boston Marathon Bombings

Pre-K - Higher Ed
/ Life begins to return to normal in Boston following the Marathon bombings with the first home game by the beloved Red Sox at Fenway Park on April 20, 2013 in Boston, Massachusetts (Footage by Getty Images)
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Samoa Flag Loopable

Pre-K - Higher Ed
Samoa Flag Loopable
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American Solider

Pre-K - Higher Ed
American Solider
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Confederate soldiers lie dead in a field as Confederate General Robert E. Lee assesses the losses.

Pre-K - Higher Ed
Confederate soldiers lie dead in a field as Confederate General Robert E. Lee assesses the losses.
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American Solider

Pre-K - Higher Ed
American Solider
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An elderly gray-haired veteran of the great Patriotic war and world war II in uniform with many badges and orders goes through the village. Grandpa is in the hands of red carnations

Pre-K - Higher Ed
An elderly gray-haired veteran of the great Patriotic war and world war II in uniform with many badges and orders goes through the village. Grandpa is in the hands of red carnations. Steadicam shot
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An elderly gray-haired veteran of the great Patriotic war and world war II in uniform with many badges and orders goes to the monument. Grandpa is in the hands of red carnations

Pre-K - Higher Ed
An elderly gray-haired veteran of the great Patriotic war and world war II in uniform with many badges and orders goes to the monument. Grandpa is in the hands of red carnations. Steadicam shot
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World War one Soldiers Marching - HD

Pre-K - Higher Ed
World War one Soldiers Marching - HD
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World War one Soldiers Marching - PAL

Pre-K - Higher Ed
World War one Soldiers Marching - PAL
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Napoleon War Battlefield

Pre-K - Higher Ed
Napoleon War Battlefield
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separation

Pre-K - Higher Ed
separation
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US soldiers return from Iraq War

Pre-K - Higher Ed
As US soldiers de-mobilize from Iraq, their weapons stack up / US Army, 4th Armored, 1st Brigade US soldiers return from Iraq War on December 09, 2011 in El Paso, Texas (Footage by Getty Images)
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US National Cemetery

Pre-K - Higher Ed
US National Cemetery
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Radar

Pre-K - Higher Ed
Radar Station