Sean also started his service in uniform, in the Air Force.

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The change in uniform comes after officers successfully lobbied the force's Chief Constable Sara Thornton.

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The force introduced the modern black uniform to the public in a catwalk show at the Royal Norfolk Show four years ago.

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"I want to reassure our men and women in uniform, and the American public, that the Air Force mortuary standards they expect for our fallen heroes are being met, " Gen Norton Schwartz, Air Force chief of staff said.

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Thames Valley are not the first force in the UK to introduce thermal wear to uniform.

BBC: Thames Valley Police allows woolly hats for officers

We know that the men and women who wear the uniform of the U.S. military are the greatest fighting force and the greatest force for good that the world has ever known.

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As I remember only one of us wore a uniform there and only on Mondays, my good friend Victor Donovan, who retired from the Air Force a couple of years ago.

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