Türküm but you're operating a T-155 Fırtına in Northern Iraq 

T-155 Fırtına (Turkish for Storm) is a Turkish revisioned variant of K9 Thunder 155 mm self-propelled howitzer originally developed by South Korea It is manufactured and assembled by Turkish Land Forces at the 1010th Army Equipment Repair Factory using imported subsystems from Korea.
The howitzer has a 5 man crew with 2 gunners. It was firstly used in Operation Sun (2008) and is still in service to this day.