REDSTONE ARSENAL, Ala.--Army Contracting Command's new deputy chief of staff, G3 Mission Operations, is a new face among several leadership changes across the command.

Col. D. D. Mayfield succeeded Col. Jerry Jones June 1. Jones is now the Expeditionary Contracting Command chief of staff.

Jones succeeded Col. Tim Strange, who assumed command of the 412th Contracting Support Brigade, Fort Sam Houston, Texas, on July 10. Col. Jeff Morris, the current 412th commander, will stay at Fort Sam Houston to become the Mission and Installation Contracting Command chief of staff, succeeding Col. Shane Dietrich, who is retiring.

While Mayfield is new to ACC, he's not new to Redstone Arsenal or the contracting career field. Originally an air defense artillery officer, he joined the acquisition corps in 2000. During his first tour at Redstone he earned a master's degree in management with a concentration in acquisition contract management from Florida Institute of Technology and served as a contracting officer with the Missile and Space Intelligence Center.

He has been the U.S. Army Central Command director of contracting, Eskan Village, Saudi Arabia; assistant program manager for the Future Tactical Truck System and product manager, Petroleum and Water Systems during separate assignments with the Program Executive Office, Combat Support and Combat Service Support, Warren, Mich.

He is looking forward to helping ACC mature as a two-star command.

"We're still a growing command," he said. "One of the things I am focusing on is the G3 staff -- force structure and staff layout for both the ACC and ECC. I'll also be looking at our policies and procedures."

He said as the command continues to develop, he wants to refine the G3 staff.

"What does 'right' look like in a structure that's changing," he asked rhetorically. "I want to make sure everybody is shooting in the same direction.

"Do I have all the answers? No, but I am willing to step forward and say this is the direction we ought to go," he said. "That's what leaders do."

Away from the office Mayfield and his wife, Pat, spend time running their two sons, Dariel, 14, and Patrick, 6, to basketball and baseball games. He also enjoys building things around the house.

But emphasized he's not looking for more construction work.

"It's just a hobby," he said with a smile, "not a business."