How Russia Implements Iran’s 122mm HE FRAG Rockets in BM-21 Grad MRLS!

The Russian Defense Ministry has officially confirmed that Iranian 122-mm HE-FRAG missiles from the Arash series have been deployed in the ongoing conflict in Ukraine. This revelation comes after the ministry released a video showcasing the launch of these missiles from BM-21 Grad multiple rocket launchers. So, what do we know about this alliance?