UFOMYST
CaseCylinder2018

Rosco (8-10 miles W of; US Hwy. 12), SD, USA

I saw a black cylinder. ((NUFORC Note: Witness is medical professional. PD))

Report quality: Moderate42/100

This score reflects report-quality signals on file — how complete, corroborated, and precisely located the report is — not a claim about whether the sighting was a real craft.

  • Duration parsed: 360s, a plausible sighting length
  • Brief witness text (23 characters)
  • Location could not be geocoded
  • No other reports from this city within 3 days
When
2018-02-17
Where
Rosco (8-10 miles W of; US Hwy. 12), SD, USA
Shape
Cylinder
Duration
6 minutes
Geo
—
Slug
cylinder-over-rosco-8-10-miles-w-of-us-hwy-12-sd-2018-3735f9
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Wave

Part of a wave

  • Historical wave2004

    The Navy Encounters & the UAP Era

    U.S. training ranges (Pacific off San Diego; Atlantic off Virginia), then worldwide reporting

    The wave that renamed the subject. The USS Nimitz 'Tic Tac' encounter (November 2004: radar drops from 80,000 ft to sea level in seconds, pilot visual by Cmdr. David Fravor, FLIR video) stayed classified-adjacent until…

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In context

  • One of 1 documented reports from Rosco (8-10 miles W of; US Hwy. 12), SD in the UFOMYST archive.
  • South Dakota logged 11 sightings in 2018.
  • Cylinder sightings ran at 1.5% during the 2010s (archive average: 1.6%).

Report

Full narrative lands with dossier import for famous cases, or the NUFORC free-text summary above for standard reports. This shell is SSR-ready: one D1 row (including connections_json) per page.

End of report

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