Vietnam veterans visit Goodfellow Published Oct. 20, 2020 By Airman 1st Class Ethan Sherwood 17th Training Wing Public Affairs GOODFELLOW AIR FORCE BASE, Texas -- Vietnam Veterans Ret. Col. Jack Mecham, former SR-71 pilot, Ret. Master Sgt. Jim Coffman, former EC-47 flight engineer, and Ret. Staff Sgt. Joe Martin, former EC-47 airborne radio direction finding airborne mission supervisor, visited the EC-47 Memorial here, Oct. 13. Mecham, Coffman, and Martin were presented certificates of appreciation by the Vietnam War Commemorative Partner Program Committee. They were also honored with pavers that will be placed at the EC-47 Memorial.