Defense, Homeland Security & National Security
- Central Intelligence Agency (CIA)
- Coast Guard, U.S.
- Corps of Engineers, U.S. Army
- CREST (CIA Records Search Tool): 25-Year Program Archive
- Defense, Department of
- DTIC Online (Defense Technical Information Center)
- FEMA – Federal Emergency Management Agency
- Foreign Relations of the United States
- Homeland Security, Department of
- Homeland Security Digital Library [University IP only]
- Military and Government Collection (EBSCO) [ULID and password required]
- National Security Archive (George Washington University)
- National Security Council
- Science.gov
- Veterans Affairs, Department of
- World Factbook (CIA)