The 2S4 Tyulpan is Russian-made 240mm caliber self-propelled mortar carrier. It was developed in the early 1970s by the Uraltransmash Works, with the 240 mm 2B8 mortar system being developed by the Perm Machine Construction Works. Read Fact Sheet 2S4 Tyulpan at this link ...
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2S4 Tyulpan 240mm self-propelled mortar carrier on tracked armored vehicle
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