Topic summary

Operation Emery

Series of 1970s US nuclear tests Operation EmeryUnexpected venting from the Baneberry nuclear testInformationCountryUnited StatesTest site NTS Area 12, Rainier Mesa NTS, Areas 1–4, 6–10, Yucca Flat Period1970–1971Number of tests16Test typeunderground shaft, tunnelMax. yield220 kilotonnes of TNT (920 TJ)Test series chronology← Operation MandrelOperation Grommet → The United States's Emery nuclear test series was a group of 16 nuclear weapons tests conducted in 1970 and 1971. These tests followed the Operation Mandrel series and preceded the Operation Grommet series. The underground Baneberry test vented into the atmosphere. For descriptions, see Yucca Flat#Baneberry and List of military nuclear accidents#1970s United States' Emery series tests and detonations Name Date time (UT) Local time zone Location Elevation + height Delivery Purpose Device Yield Fallout References Notes Scree-Acajou - 1 October 13, 1970 15:05:00.02 PST (–8 hrs) NTS Area U9itsx24 37°08′15″N 116°02′06″W / 37.1374°N 116.03491°W / 37.1374; -116.03491 (Scree-Acajou - 1) 1,269 m (4,163 ft) – 249.33 m (818.0 ft) underground shaft,weapons development 1 kt Venting detected on site,