JOINT BASE SAN ANTONIO-LACKLAND, Texas - Col. Jason Janaros, Commander, 37th Training Wing (left), passed the 637th Training Group guidon to Col. Kouji P. Gillis (right), who assumed command of the 637th TRG & DLIELC effective 10 July 2019. Prior to assuming command, Colonel Gillis was the Director of Intelligence, Surveillance, and Reconnaissance, Fifth Air Force at Yokota Air Base, Japan.