THE YEAR WAS
"Singing For The Troops"
Written by S. R. Powell(writer and artist)
Mystery Men Comics
#18 - Prussland switches to a different country in South America, this time Bahia, bringing in large amounts of armaments to take over and from there to launch assaults on US defenses. D-13 calls upon an old female friend in Canadian Intelligence for help, just not the usual Helen.
Here are the pages I have of it.