Command of the Mission and Installation Contracting Command will change hands during a 10 a.m. ceremony Dec. 2 at the Army North Quadrangle on Joint Base San Antonio-Fort Sam Houston, Texas. Brig. Gen. Kirk Vollmecke will relinquish command to Col. Jeffrey Gabbert, who is now serving as special assistant to the commanding general of Army Contracting Command at Redstone Arsenal, Ala.Gabbert will be promoted to brigadier general on November 25. Vollmecke will assume new duties as deputy for acquisition and systems management in the Office of the Assistant Secretary of the Army for Acquisition, Logistics and Technology in the Pentagon.