Original post here. This image was researched by Bacchus at ErosBlog as part of the “Γ commission.” The research was originally published at Hedonix as “Γ 046 – Lunar Air Exploder.” Here is what Bacchus found.
A blog post here features a differently-colored version of the page where this image appeared, along with the information that the story was illustrated by Rafael Astarita and was reprinted in Strange Planets #9 (1959):
The script for A Nation Is Born was adapted for Volume 1, No. 8 of a black-and-white comic series called Strange Galaxy, where it appeared in 1971 in black and white (supposedly to avoid Hayes Code rules applicable to color comics) as The Moon Is Red: