http://sputniknews.com/asia/20160628/1042052434/south-korean-government-developing-howlitzers.html South Korean Government Develops Remote Controlled Howitzers] – Sputniknews.com, 28 June 2016 State-of-the-art mobility subsystems include a 1000 horsepower engine with potential for growth and hydropneumatic suspension unit, a requirement for Korea's rugged mountainous terrain.