# Secret Empire: Eisenhower, the CIA, and the Hidden Story of America's Space Espionage
**Wikidata**: [Q54487301](https://www.wikidata.org/wiki/Q54487301)  
**Source**: https://4ort.xyz/entity/secret-empire-eisenhower-the-cia-and-the-hidden-story-of-america-s-space-espionage