The 203rd Corps is a corps of the Afghan National Army (Gardez).
The original Gardez Regional Command was established on 23 September 2004. As of 2009, First Brigade, Khost, Second Brigade, Foreword Operating Base Rushmore, Sharana, Paktika Province, Third Brigade, Ghazni. As of 30 November 2011, Brig. Gen. Zamaray Khan was listed by Jane's Defence Weekly as commander of 2nd Brigade, 203rd Corps.
On 19 Oct 2006, as part of Operation Mountain Fury, two ETTs (Embedded Training Teams) mentored and advised a D30 artillery section from Fourth Battalion, Second Brigade, 203rd Corps, to conduct the first artillery missions during combat operations with harassment and indirect fires. Three days later, they successfully conducted counterfire (with assistance from a US Q-36 radar) that resulted with ten enemy casualties, the highest casualties inflicted from artillery fire in ANA history.
The corps is supported by the Gardez Regional Support Squadron of the ANAAC, equipped with 8 helicopters: 4 transport to support the corps' commando battalion, two attack, and two medical transport.