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Summary
editTier-Scalable Reconnaissance: four-tiered utilization on Earth. Tier 1: spaceborne orbiter; tier 2: airborne blimps; tier 3: surface-based buoys; tier 4: submersibles and sensors.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 23:20, 4 October 2007 | | 172 × 382 (51 KB) | WFink (talk | contribs) | Tier-Scalable Reconnaissance: four-tiered utilization on Earth. Tier 1: spaceborne orbiter; tier 2: airborne blimps; tier 3: surface-based buoys; tier 4: submersibles and sensors. |
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