931st commander issues April video message Published April 24, 2013 By Capt. Zach Anderson 931st Air Refueling Group Public Affairs MCCONNELL AIR FORCE BASE, Kan. -- Col. Mark S. Larson, commander of the 931st Air Refueling Group, McConnell Air Force Base, Kan., presents his monthly video message for April 2013. This month, Larson pays a visit to the 931st Civil Engineer Squadron. The video message is available for viewing on the 931 ARG YouTube channel at www.youtube.com/user/931ARG.