To be clear, the U.S. military did not have an actual vampire in its arsenal. There was no secret alliance with Romania to use Count Dracula in combat. In the 1950s, Romania was part of the Eastern Bloc anyway, and it's unlikely the count would have been able to escape from behind the Iron Curtain.  Psychological Operations Philippines Used Fear Also, vampires aren't real. But that's the glory of psychological operations. The boogie men don't have to be real; the enemy just has to think...