On Monday, September 16, 2019, Major General Duane A. Gamble assumed duties as the Deputy Chief of Staff, G-4. The position was previously held by Lieutenant General Aundre F. Piggee. MG Gamble will oversee policies and procedures used by all Army Logisticians throughout the world.

"It is my intent that we, together, build on the foundation that you've set under General Piggee's leadership," MG Gamble stated to G-4 staff. "We must further foster an environment of dignity and respect where everyone can reach their maximum potential. And, we must continue our legacy of excellence in support of resourcing Army readiness, establishing a surge capability and enabling the modernization of our Army."

He previously served as Commanding General of the US. Army Sustainment Command from July 2017 to August 2019.