Statement by H.E.I Gusti Agung Wesaka Puja Ambassador/Permament Representative of the Republic of Indonesia on behalf of the Group of Member States of the Non-Aligned Movement Parties to the Treaty on the Non-Proliferation of Nuclear Weapons at the First Session of the Preparatory Committee for the 2015 Review Conference of the Parties to the Treaty on the Non-Proliferation of Nuclear Weapons on Cluster 1 Specific Issue: “Nuclear disarmament and security assurances” Vienna.