90 CES welcomes new commander Published Oct. 23, 2018 By Airman 1st Class Abbigayle Wagner 90th Missile Wing Public Affairs F.E. WARREN AIR FORCE BASE, Wyo. -- Lt. Col. Brian Low took command of the 90th Civil Engineer Squadron during an assumption of command ceremony at F.E. Warren Air Force Base, Wyoming, Oct. 22, 2018. Low was previously the energy management program lead, Pentagon, Washington D.C. An assumption of command ceremony is a tradition that represents a formal transfer of authority and responsibility to the incoming commander.