Some time ago, on the pages of our service was described an different plan noticed in Ukraine, was created from the combination of the combat hull of the BMP-1 infantry car or the BRM-1 reconnaissance version with the self-propelled mortar strategy 2S9 Nona-S/2S23 Nona-SWK. In the past, there was a task that established a connection in which specified a plan was referred to as 2S17-2 Nona-SW.