ARNOLD AIR FORCE BASE, Tenn. – In the nearby Tullahoma area - the phrase “not all heroes wear capes” is often used to describe everyday people who do good deeds. To a local mother and her two children, Arnold Engineering Development Complex team members Casey Culver, Greg Garner and U.S. Space Force 1st Lt. Michael Hareld, are definitely considered heroes.As AEDC personnel were leaving the base at the end of the work day April 14, these three were among those who witnessed ...