PS. NBC News fact checked some of Trump's interview with Lester Holt.

I don't even think we have 17 intelligence agencies," Trump said.

1. Office of the Director of National Intelligence
2. Central Intelligence Agency
3. National Security Agency
4. Defense Intelligence Agency
5. Federal Bureau of Investigation
6. Department of State - Bureau of Intelligence and Research
7. Department of Homeland Security - Office of Intelligence and Analysis
8. Drug Enforcement Administration - Office of National Security Intelligence
9. Department of the Treasury - Office of Intelligence and Analysis
10. Department of Energy - Office of Intelligence and Counterintelligence
11. National Geospatial-Intelligence Agency
12. National Reconnaissance Office
13. Air Force Intelligence, Surveillance and Reconnaissance
14. Army Military Intelligence
15. Office of Naval Intelligence
16. Marine Corps Intelligence
17. Coast Guard Intelligence