Donguz test site

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{{Location map|Russia Orenburg Oblast#European Russia#Russia|caption=Donguz test site

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File:Vladimir Putin at the site Donguzskij (2015-09-19) 11.jpg at the site]]

Donguz test site ({{langx|ru|Донгузский полигон}}, full name: {{langx|ru|Испытательный Полигон Федерального бюджетного учреждения 3-го центрального научно-исследовательского института Министерства обороны Российской Федерации }}, formerly known as Научно-испытательный полигон ПВО МО РФ, в/ч 33157,Научно-Испытательный Зенитно-Артиллерийский Полигон — НИЗАП) is a military proving ground in Orenburg Oblast, Russia. Site administration and main living quarters are in the settlement of {{ill|Pervomaysky, Orenburgsky District, Orenburg Oblast|ru|Первомайский (Оренбургский район)||lt=Pervomaysky}}. The site occupies about 121,000 hectares of steppe, making it the largest in Orenburg Oblast.[http://www.biodiversity.ru/programs/steppe/bulletin/step-5/polygon.html "Некоторые сведения о степных полигонах в Оренбургской области"] (retrieved February 17, 2013)

In 2012, there was a major explosion at the site, when a trainload with over 4,000 tonnes of ammunition delivered for disposal blew up.{{cite web | url=https://www.news24.com/news24/tons-of-old-munitions-explode-in-russia-20121009#google_vignette | title=Tons of old munitions explode in Russia }}

Due to the specific utilization of this steppe area ("Donguz Steppe" shooting range), it is the last in Europe remaining virgin land with representative flora and fauna, and the military command pledged to ensure the preservation of the biodiversity in the area.