| 1. | The aerostat contained a rigid internal axle along its long axis.
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| 2. | The aerostat could be positioned above the vessel for surveillance.
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| 3. | Helikites are the only compact aerostat capable of reliably operating at sea.
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| 4. | These aerostats outperform a conventional aerostat of twice the size.
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| 5. | A powered, steerable aerostat is called a " dirigible ".
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| 6. | A World Wide Aeros unmanned aerostat blimp has already been deployed by the Marine Corps.
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| 7. | The upper chamber is filled with helium and provides the aerostat's lifting capability.
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| 8. | In the early morning, lightning struck an aerostat that was tethered to the vessel.
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| 9. | The final use of the site was during the 1980s for tethered aerostat balloon radar missions.
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| 10. | The hull of the aerostat contains two parts separated by a gas-tight fabric partition.
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