The 33rd edition of the SIPRI Yearbook analyses developments in 2001 ino Security and conflictso Military spending and armamentso Non-proliferation, arms control and disarmamentwith extensive annexes on arms control and disarmament agreements and a chronology of security- and arms control-related events as well as a comprehensive glossary of terms and membership of international organizations.In this Yearbook, SIPRI presents its annual reports on major armed conflicts; conflict prevention; the enlargement and stabilization of European institutions; military spending; arms production; arms transfers; nuclear arms control and ballistic missile defence; chemical and biological weapon developments and arms control; conventional arms control and confidence- and security-building measures; and multilateral weapon and technology export controls.The SIPRI Yearbook 2002 also contains special studies of the military dimension of the European Union; security in the Asia-Pacific region; the security sector and democratic control of military forces; sanctions applied by the EU and the UN; non-proliferation, arms control and disarmament after the events of 11 September 2001; tactical nuclear weapons; the US and Russian nuclear weapon complexes; the military uses of outer space; and terrorism with chemical and biological agents.