| Issue | #75 |
| Published | June 1965 |
| Cover Price | 0.12 USD |
| Pages | 36 |
| Editing | Pat Masulli |
| Characters | Captain Atom |
| Genre | superhero |
| Pencils | Steve Ditko |
| Inks | Steve Ditko |
| Characters | Captain Atom [Nataniel Adam] (intro); Sergeant Gunner; General Eining |
| Synopsis | When Captain Adam is trapped in an atomic rocket, Captain Atom is born. Captain Atom goes on to stop some enemy agents who had sabatoged a Jupiter Rocket. |
| Genre | superhero |
| Script | Joe Gill |
| Pencils | Steve Ditko |
| Inks | Steve Ditko |
| Notes | Writer credit of Pat Masulli changed by Mike Nielsen to match info in Action Heroes Archives and other printings of this story. [6/2007] |
| Reprinted | from Space Adventures (Charlton, 1958 series) #33 |
| Pencils | Bill Molno ? |
| Inks | Ernie Bache |
| Notes | Art ids by Gene Reed. |
| Characters | Captain Atom [Captain Allen Adam] |
| Synopsis | Captain Atom guards a new orbital satellite from enemy missiles. |
| Genre | superhero |
| Script | Joe Gill ? |
| Pencils | Steve Ditko |
| Inks | Steve Ditko |
| Reprinted | From Space Adventures (Charlton, 1958 series) #36 |
| Characters | Captain Atom [Captain Allen Adam]; Sergeant Goos Goslin; Igor Kriss |
| Synopsis | Captain Atom goes into space to check on the first Russian cosmonaut and finds himself helping save the Russian. |
| Genre | superhero |
| Script | Joe Gill ? |
| Pencils | Steve Ditko |
| Inks | Steve Ditko |
| Reprinted | from Space Adventures (Charlton, 1958 series) #34 |
| Script | Joe Gill ? |
| Pencils | John Severin |
| Inks | John Severin |