| Hardtack Teak | |
|---|---|
 | |
| Information | |
| Country | United States |
| Test series | Operation Newsreel during Operation Hardtack I[1] |
| Test site | Johnston Atoll |
| Date | 1 August 1958 |
| Test type | Exoatmospheric |
| Yield | 3.88 megatons of TNT (16.2 PJ) |
HARDTACK-Teak was an exoatmospheric high altitude nuclear weapon test performed during Operation Newsreel.[2] It was launched from Johnston Atoll on a Redstone missile.[3] On 1 August 1958, the 3.88 Mt (16.2 PJ) shot detonated at an altitude of 76.8 km (252,000 ft; 47.7 mi).
Along with HARDTACK-Orange it was one of the two largest high-altitude nuclear explosions.
Wernher von Braun, who led the development of the Redstone missile, was a witness at the test aboard the USS Boxer.[4]
- ^ https://www.nnss.gov/docs/docs_LibraryPublications/DOE_NV-209_Rev16.pdf Archived 2020-02-15 at the Wayback Machine [bare URL PDF]
- ^ https://www.nnss.gov/docs/docs_LibraryPublications/DOE_NV-209_Rev16.pdf Archived 2020-02-15 at the Wayback Machine [bare URL PDF]
- ^ Operation HARDTACK Military Effects Studies Part III: High Altitude Tests (1958), Department of Defense documentary film, Lookout Mountain Laboratory USAF.
- ^ Delgado, James P. (2022-08-01). "Witness to Brilliant Blasts: When Night Becomes Day". U.S. Naval Institute. Retrieved 2025-04-24.
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