I can think of someone who fits all the criteria(military code, Iron helmet, "you wouldn't believe me if I told you" which implies it's someone he knows, possibly more powerful than the flash.)
Another possibility would be Doctor fate, given the helmet. Khalid Ben-Hassin was "hired by the military to find Nabu's tomb", so he may have knowledge of military code. And would you believe it if someone told you "I captured an all powerful Wizard"?
Or who knows. Maybe wade eiling becomes the general on earth two. Explains the code, the not believing it (This a-hole you once knew is actually the hulk), although not the helmet
One more thing. Zolomon was zoom in the comics. Who's to say that earth one zolomon isn't zoom, and the man who is trap…Read more >