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| 07/30/2022 - SMART VI - The Grumman Tracked Levitation Research Vehicle (TLRV), an air-cushion transportation prototype that was built to reach speeds of up to 300 miles per hour. |  |
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| Total images: 480 | Last update: 2/20/23, 2:29 AM |
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| 07/30/2022 - SMART VI - The Grumman Tracked Levitation Research Vehicle (TLRV), an air-cushion transportation prototype that was built to reach speeds of up to 300 miles per hour. | |
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| Total images: 480 | Last update: 2/20/23, 2:29 AM |