Terry D Cornell organized and hosted many events to support veterans and charitable causes. He hosted fishing events for disabled veterans at Manteno Veterans Home and Hines VA Hospital in Illinois. He also spoke at several conferences on topics like researching family history and obtaining veterans benefits. As a member of the Cheyenne Arapaho Tribe, he proposed resolutions to improve laws and governance for the tribe. Additionally, he took veterans from different Illinois counties for a shooting event at the Aurora Sportsman Club to provide fun and companionship.