According to the Russian Defense Minister Sergei Shoigu, the Russian Army is expected to sign contracts worth over 433 billion rubles ($4.7 billion) at the forum.
Defense ministers from 108 countries have been invited to the forum where around 1,500 defense industry companies are expected to present their production.
President Vladimir Putin also spoke at the opening ceremony of the Army 2023 expo.
Sputnik team has managed to capture the scenes from the first day of the forum -- enjoy them in our photo gallery!