- en.wikipedia.org 2B1 Oka2B1 Oka, (Russian: "2Б1 Ока" - "Oka River"), is a Soviet 420 mm self-propelled heavy artillery. 2B1 is its GRAU designation. Development.
- medium.com @historiatank/2b1-oka-the-spg-that-…Introducing the 2B1 “Oka” Self-Propelled Gun — the SPG that broke it when firing! This powerful weapon was designed to break through enemy defenses and...
- premium.globalsecurity.org military/world/russia/…The ammunition of the 2B1 Oka mortar contained only a nuclear warhead, which guaranteed at least one tactical nuclear strike in any circumstances.
- tankhistoria.com cold-war/2b1-oka/What they didn’t know was that this vehicle was anything but fake, it was the 2B1 “Oka”. The 2B1 is a defining example of Soviet “flexing”.
- interestingengineering.com innovation/the-2b1-oka…But these facts were not officially reported, naturally. Four self-propelled 2B1 “Oka” mortars were assembled at the Kirov plant. 2b1 Oka vital statistics.
- en.topwar.ru 35291-samohodnyy-minomet-2b1-oka.htmlThe length of the mortar barrel was almost 20 meters. The first prototype of the mortar 2B1 "Oka" (cipher "Transformer") was ready in 1957 year.
- tur.aboutlaserremoval.com atomnij-420-mm-minomet-…Atomik 420 mm harç 2B1 "Oka", namlu kesimine sahip değildi, ateş hızı saatte 12 mermiye ulaştı, bu da bu kalibreli bir tabanca için çok iyi bir gösterge.
- trendexmexico.com novosti-i-obschestvo/73033-…One of them can be the atomic mortar 2B1 "Oka". Unlike the Tsar Cannon, it was used for its intended purpose, however, only at the test site.
- scientiaen.com 2B1_Oka2B1 Oka, (Russian: "2Б1 Ока" - "Oka River"), is a Soviet 420 mm self-propelled heavy artillery. 2B1 is its GRAU designation. Development.
- amazing.worldnownewses.com nhuong4/2b1-oka-the-…2B1 Oka. Engineers were tasked with creating a mobile artillery system that could fire a nuclear shell out to a range of almost 30 miles (45 km).
- tr.military-review.com 12479005-the-largest-…2B1 "Oka" topçu montajının ana silahı, 420 mm 2B2 yivsiz harçtı. Havan namlusunun uzunluğu yaklaşık 20 metre veya 47.5 kalibreydi.
- http://oka.ihep.su Members/zopeadmin/fun/2b1-oka2B1 is its GRAU designation. The mammoth 420mm SP Oka mortar system, which was originally intended to fire tactical nuclear rounds.
- wonderfulengineering.com meet-the-2b1-oka-the-…To get back in the game, the Soviets decided to work on the tank, IS-5, to serve as the base for the planned 2B1 “Oka” mortar.