They know nothing

"Evil never dies. Darkness never retreats. In the cracks and the crevices of our society there are monsters undreamed of by the rank and file of humanity. I've been there. I've seen them. They exist in the spaces between things, in the folds of existence where we can't find them. Sometimes they cross over, sometimes they manifest, and all hell breaks loose. Only this is not Hell, nor Heaven. This is like nothing anyone has ever understood. This is pure evil, pure destruction. This is the Apocalypse."
— Maj. Gen. Reginald Fairfield, U.S. Army (Ret.), 25 FEB 1994



---
"Delta Green (Call of Cthulhu Horror Roleplaying, Modern)" Dennis Detwiller, Adam Scott Glancy, John Tynes, s. 2, Pagan Publishing, Maj 2007 r.

Their weirdest hour

The Trojan War was essentially just a piratical kidnap caper gone wrong, but it produced tales of gods and monsters, magic and secret survivals. How many more legends, then, can the mightiest conflict in human history create? Even during the war, writers dreamed up alternate endings, and fliers saw strange lights in the sky that became a mythology all their own. America's first native-born gods leaped tall buildings and battled the Axis. Before Hitler's ashes had cooled, there were whispers that he had escaped to a hidden fortress. The Third Reich, born of conspiracy, openly embraced irrational sorceries and boasted of wondrous superweapons, while perpetrating one of the mankind's most unthinkable evils.

This book is about all of that. For starters.


---
"GURPS WWII: Weird War II", Kenneth Hite with William H. Stoddard, s. 4, Steve Jackson Games, USA 2003 r.