Origin
Jeff “Gunner” Goslin is a Technical Sergent in the United States Air Force. He is married with a son Billy Goslin. He is also friends with Allen Adam also known as Captain Adam. Both men were stationed at cape Canaveral, Florida, when Allen had the accident that changed him into Captain Adam. Gunner was the first person Allen called out for after the explosion.
Creation
Gunner was created by Joe Gill and artist Steve Ditko in Space Adventures #33 in March of 1960 from Charlton Comics.