Brig. Gen. Timothy Sejba, commander, Space Training and Readiness Command visits Kirtland Published Dec. 15, 2023 377th Air Base Wing Public Affairs KIRTLAND AIR FORCE BASE, N.M. -- Brig. Gen. Timothy Sejba, commander, Space Training and Readiness Command meets with Col. Joseph Roth, commander, Space Systems Center, Detachment One, during a visit to Kirtland Air Force Base, N.M., on Dec. 13, 2023. Space Training and Readiness Command was established as a Field Command August 23, 2021, and is responsible for preparing the Space Force and more than 8,600 Guardians to prevail in competition and conflict through innovative education, training, doctrine, and test activities.