Star Spangled War Stories #145 (On Sale: April 15, 1969) has another Joe Kubert Enemy Ace cover.
"Return of the Hangman" featuring Enemy Ace is by Robert Kanigher and Joe Kubert. This story was reprinted in
Enemy Ace Archives Vol. 2 HC and Showcase Presents: Enemy Ace Vol. 1 TPB.
Edited by Joe Kubert.