sentences:  Under SAC the group became an Air Refueling unit, being with the air refueling version of the C-97 transport, the KC-97 Stratotanker.Familiarity with the aircraft led to a smooth transition from MAC to the new refueling mission.It supported the United States Air Forces in Europe (USAFE) flying aerial refueling missions in the KC-97 supporting missions of deploying aircraft to NATO for tactical exercises.