🌐EnglishEnglishDeutschNederlandsالعربية한국어日本語EntityQ1143455· pop 7· linked from 108 articlesOperation CornerstoneSeries of underground nuclear tests in the United StatesWikidata factsImageThe FY 1989 Cornerstone Nuclear Test Program - NARA - 198403.jpgvia Wikidata · CC0On the map17 mapped locationsAvailable in 6 languagesDeutschالعربيةLuxembourgishNorwegian한국어via Wikidata sitelinks · CC0Connectionsnuclear weapons testingEntityNevada National Security SiteEntityCategories1988 in military history1988 in Nevada1988 in the environment1989 in military history1989 in Nevada1989 in the environmentExplosions in 1988Explosions in 1989Geographic coordinate listsLists of coordinatesNevada Test Site nuclear explosive tests