Center for the Study of Chinese Military Affairs
- Papers and documents on Chinese military/political thinking.
- http://www.ndu.edu/INSS/CHINA_Center/INSS_About_CSCMA.htm

Center for Defense Information (CDI)
- Independent military research organization. Many research topics including nuclear weapons and proliferation. Nuclear weapons database.
- http://www.cdi.org/

Center for the Study of Professional Military Ethics
- Based at the US Naval Academy in Annapolis. Details are provided of the Center's programs, publications, personnel and events.
- http://www.usna.edu/Ethics/

The Royal United Services Institute for Defence Studies
- The professional forum in the United Kingdom for those concerned with national and international defence and security.
- http://www.rusi.org/

International Institute for Strategic Studies
- Independent centre for research, information and debate on the problems of conflict.
- http://www.iiss.org/

Institute of Peace & Conflict Studies
- This New Delhi based think tank site - on South Asian Security Issues - aims to inform, analyse and nurture debates on crucial strategic choices affecting South Asia.
- http://www.ipcs.org/

The George C. Marshall European Center for Security Studies On-line
- The George C. Marshall European Center for Security Studies: a bilateral German/American defense institution teaching cooperative security in three resident courses at the College of International and Security Studies.
- http://www.marshallcenter.org/