As you have asked about the Air Force Materiel Command (AFMC), I am giving you information about it, check below for the details

Air Force Materiel Command (AFMC) is a type of major command of the United States Air Force (USAF).
It was formed in the year 1992.

Role
Systems acquisition, research, development, testing, and maintenance

AFMC headquarters is the major unit located at Wright-Patterson Air Force Base, Ohio.
There are also nine additional AFMC host bases:

Arnold Air Force Base, Tennessee
Arnold Engineering Development Complex

Edwards Air Force Base, California
412th Test Wing
Air Force Test Center

Eglin Air Force Base, Florida
96th Test Wing

Hanscom Air Force Base, Massachusetts
66th Air Base Group

Hill Air Force Base, Utah
75th Air Base Wing
Ogden Air Logistics Complex

Robins Air Force Base, Georgia
78th Air Base Wing
Warner Robins Air Logistics Complex

Tinker Air Force Base, Oklahoma
72d Air Base Wing
Oklahoma City Air Logistics Complex
Air Force Sustainment Center

Wright-Patterson Air Force Base, Ohio
88th Air Base Wing
Air Force Life Cycle Management Center
Air Force Research Laboratory