| Upshot–Knothole Encore | |
|---|---|
 The explosion, viewed from the air | |
| Information | |
| Country | United States |
| Test series | Operation Upshot–Knothole |
| Test site | Nevada Test Site, Area 5 |
| Date | May 8, 1953 |
| Test type | Atmospheric |
| Yield | 27 kt |
| Test chronology | |
Upshot–Knothole Encore was a nuclear weapons test conducted by the United States as part of Operation Upshot–Knothole. It took place on May 8, 1953 in Yucca Flat, in the Nevada Test Site.[1]
- ^ U.S. Department of Energy / Nevada Operations Office, United States Nuclear Tests - July 1945 through September 1992, December 2000, DOE/NV-209 Rev 15 Archived 2006-10-12 at the Wayback Machine