Major General Roger P. Lempke is a retired United States Air Force officer and was the adjutant general (TAG) of the Nebraska National Guard. The Nebraska Adjutant General commands the state military forces and also directs the Nebraska Emergency Management Agency (NEMA). The Army National Guard in Nebraska consists of over 4,000 soldiers in 74 troop units in 28 communities throughout the state. The Nebraska Air National Guard, which is based in Lincoln, flies the KC-135R aircraft, and has unit strength of approximately 940 airmen. Approximately 30 NEMA personnel coordinate state and federal emergency planning and disaster recovery and assist local governments with training and education programs. Lempke retired effective September 2007, and was succeeded by Timothy J. Kadavy.