| Issue | #139 |
| Published | June-July 1968 |
| Cover Price | 0.12 USD |
| Pages | 36 |
| Editing | Joe Kubert |
| Characters | Enemy Ace [Hans von Hammer]; The Hangman (French Ace) |
| Genre | war |
| Pencils | Joe Kubert |
| Inks | Joe Kubert |
| Notes | Credits for pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics (added by Gregory Fischer, May 2009). |
| Reprinted | In Enemy Ace Archives (DC, 2002 series) #1 |
| Characters | Enemy Ace [Hans von Hammer]; The Hangman [Count Andre De Sevigne] (French Ace); Ludwig (German pilot); Schmidt (von Hammer's Orderly) |
| Synopsis | Details of the early life of Hans von Hammer. Enemy Ace wins the second fight with The Hangman. Story concludes next issue. |
| Genre | war |
| Script | Robert Kanigher |
| Pencils | Joe Kubert |
| Inks | Joe Kubert |
| Editing | Robert Kanigher |
| Notes | Credits for script, pencils, inks and editing confirmed from Julius Schwartz's editorial records, provided by DC Comics. Schwartz kept editorial records for Robert Kanigher, who edited this title prior to Joe Kubert. |
| Reprinted | In Enemy Ace Archives (DC, 2002 series) #1 |
| Synopsis | Information about the Fokker and the Spad aircraft form WWI. |
| Genre | war |
| Script | Joe Kubert |
| Pencils | Joe Kubert |
| Inks | Joe Kubert |
| Reprinted | in DC Special (DC, 1975 series) #26; in Enemy Ace Archives (DC, 2002 series) #1; in Pilot (Semic Press AB, 1970 series) #3/1978 |
| Script | Henry Boltinoff |
| Pencils | Henry Boltinoff |
| Inks | Henry Boltinoff |
| Letters | Henry Boltinoff |
| Notes | Hobby Tips. |