| 1. | Brigade reported being under enemy air observation after 19 : 00 hours.
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| 2. | Upper-air observations are the single most important data set driving a forecast model.
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| 3. | It also holds the record for the highest open-air observation deck in Japan.
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| 4. | Airborne FACs were supplied from the Air Observation Post Squadrons of the RAF.
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| 5. | The large, curved portion towards the top of the building is an open-air observation deck.
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| 6. | They were soon followed by hundreds of " Luftwaffe " personnel to establish air observation stations.
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| 7. | A huge circular hole punched through its top floors is to contain an open-air observation deck.
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| 8. | Despite " ideal " weather, air observation failed as it did on the II Corps front.
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| 9. | *1944 No . 664 ( Air Observation Post ) Squadron was formed at Andover, England.
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| 10. | The glass-clad viewing gallery and open-air observation deck on the 72nd floor, at a height of.
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