2B1 Oka

Rarity: Common

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At a glance

Class

Invention

Domain

Science and technology

Knowledge cost

1

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What Wikipedia says

2B1 Oka, (Russian: "2Б1 Ока" - "Oka River"), is a Soviet 420 mm (17 in) self-propelled heavy mortar. 2B1 is its GRAU designation. It was designed to deliver tactical nuclear payloads, but it was plagued by technical issues caused by the sheer size of the gun and the massive recoil during firing.

Excerpt from the Wikipedia article “2B1 Oka”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: One half 3544, Public domain, via Wikimedia Commons.