On December 22, during the Payambar-e Azam 17 (The Great Prophet) exercise, the ground forces of Islamic Revolution Guards Corps Ground Force has demonstrated a domestic advanced tank, the Karrar MBT. Karrar is known as an upgraded version of the Soviet-made T-72 tank. Although it was introduced in March 2017, this is the first time the tank has been deployed in a simulated battle in the field.