Operation Tower is the Australian Defence Force's

Australian Defence Force

The Australian Defence Force is the military organisation responsible for the defence of Australia. It consists of the Royal Australian Navy , Australian Army, Royal Australian Air Force and a number of 'tri-service' units...

 (ADF) contribution to the United Nations Integrated Mission in East Timor (UNMIT).

UNMIT was established on 25 August 2006 by UN

United Nations

The United Nations is an international organization whose stated aims are facilitating cooperation in international law, international security, economic development, social progress, human rights, and achievement of world peace...

 Security Council

United Nations Security Council

The United Nations Security Council is one of the principal organs of the United Nations and is charged with the maintenance of international peace and security. Its powers, outlined in the United Nations Charter, include the establishment of peacekeeping operations, the establishment of...

 Resolution 1704. Its objectives are "to support the Government in consolidating stability, enhancing a culture of democratic governance, and facilitating political dialogue among Timorese stakeholders, in their efforts to bring about a process of national reconciliation and to foster social cohesion". Its current mandate will expire on 26 February 2008.

The ADF contributed four personnel to UNMIT: three ADF personnel who are deployed as military liaison officers in districts outside Dili

Dili

Dili, spelled Díli in Portuguese, is the capital, largest city, chief port and commercial centre of East Timor.-Geography and Administration:Dili lies on the northern coast of Timor island, the easternmost of the Lesser Sunda Islands....

and one officer with the Headquarters of UNMIT in Dili.