Originally, the state tests of the fresh Russian cannontor to replace the previously utilized 2S9 Nona-S were to start a fewer years ago (2019), and the series production according to the first announcement was to start in 2020. The date, however, is constantly moving, with a fewer years hold for the state investigating phase itself, which the interim CEO of CNIITochYou have Anton Semenia [pronounced for the erstwhile calendar cycle](https://defence24.pl/industrial/Russian-lotos-start-in-this-year-prob-state). Plant trials were to be completed positively in 2022, but after time it was decided to implement into the vehicle solutions based on war experiences from Ukraine. 1 of them was most likely the assembly of [additional net armour on the sides of the hull as well as the tower](https://defence24.pl/industrial/Russia-modernizowa-mozdzierz-lotos-discovered-changes).