Maj. Gen. Andrew W. O’Donnell (left), John Morgenstern (middle), Sgt. Maj. Anthony A. Spadaro (right). Both Morgenstern and Spadaro have worked with O’Donnell for a number of years throughout his career. - Maj. Gen. Andrew W. O’Donnell (left), John Morgenstern (middle), Sgt. Maj. Anthony A. Spadaro (right). Both Morgenstern and Spadaro have worked with O’Donnell for a number of years throughout his career.