Phoenix is an open-air blast furnace for much of the year.

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Along with jammers, troops use air surveillance, robots, blast-resistant vehicles and mine rollers as countermeasures.

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After the radical blandness of her predecessor, Mr Christopher, Mrs Albright is a gale-force blast of fresh air.

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Unlike conventional rockets that blast off from a pad, air-launched systems similar to the one Mr. Allen wants to put together are designed to deliver a broad range of satellites to space without the constraints of weather or optimal times and locations to try to reach specific orbits.

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South Korea is using aircraft and ships to collect air samples to analyse for increased radiation - which could give an indication of details about Tuesday's blast, the Associated Press news agency reported.

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In the blast-oven heat that stifled much of the nation in recent days, the absence of air conditioning felt anguishing.

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Notwithstanding the terrorist blast in Bali that hurt air traffic to the resort island, Asia remains the world's fastest-growing air traffic market.

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