Butler takes command of 931st MXS
(Left to right) Col. Jermaine Campbell, 931st Maintenance Group commander takes the guidon from Maj. Anabel Allen, outgoing 931st Maintenance Squadron commander. Prior to this position, Allen was the director of operations at the 433rd Maintenance Squadron at Joine Base San Antonio Lackland, Texas. (U.S. Air Force photo by Master Sgt. Abigail Klein)