The gun firing rate of only one 203mm rounds / min, (mainly due to problems caused by the automatic loading machine) can not be said to be rapid fire. Technical drawings of the B-4 differed from plant to plant, with their own modifications to facilitate serial production. 23 B-4's were captured by the German 11th Panzer Division as the town of Dubno was captured at nighttime on June 25, 1941. It was only able to prepare a single howitzer for delivery in 1933, but deliver did not go through at all. Sterling Publishing Company, Inc., 2002, p.132, Bishop, Chris. In this seat, it was decided to revive the development of the 203mm cannon that was interrupted, to complete the 203mm self-propelled gun system, and to conduct a research on a shipboard type 203mm cannon as an evolved type. The B-4 participated in the Winter War, with 142 howitzers placed along the front on March 1, 1940, of which four were knocked out. Le M110 de 203 mm a été déployé dans l'artillerie de division (DIVARTY) à raison d'une batterie dotée de quatre pièces par division d'infanterie et d'un bataillon de douze pièces par division blindée ou mécanisée, dans les bataillons de soutien généraux et dans le corps séparé – et les bataillons de niveau militaire. After the start of the Great Patriotic War, the Howitzer Regiments were evacuated to the far rear for protection, only returning on November 19, 1942 when the strategic initiative was wrestled back into Soviet hands. Of course, with the continuous improvement of China's national economy, it is not difficult for China's 203mm artillery to be re-launched. The final three howitzers were made in Stalingrad from remaining reserves. 19-03-2019 09:50:56 ZULU, "Asia's first shot": China's 203mm towed artillery can launch tactical nuclear shells. selon les recommandations des projets correspondants. It was just a real good piece of heavy artillery that saw service on both sides of World War II," Blaker said. One sources relates that during the Iran-Iraq war, China developed the gun for export to [both!] The 8 inch (203 mm) M110 self-propelled howitzer is an American-made self-propelled artillery system consisting of an M115 203 mm howitzer installed on a purpose-built chassis. This weapon was used until the end of the war in the Battle of Berlin where the Red Army would bring these guns up at point blank range to smash German fortifications with their heavy 203mm shells. The M115 was towed with 21 men per gun, and was shipped over to Germany Oct 1961 in response to the Berlin Crisis. It is plausible, however, that the Chinese 203mm W90 gun was developed in response to the Soviet 203mm Pomegranate. However, at this time, the PLA�s demand for artillery also changed, especially because of the disintegration of the Soviet Union. As a result of the investigation team being dispatched to each country and examination, China was requested to cooperate with the development of new field gun was Space Research Corporation (hereinafter referred to as SRC company) headquartered in Brussels, Belgium.