A/RES/64/269 General Assembly at the second part of its resumed sixty-fifth session, on the understanding that the model should not in any way derogate from the legislative role of the Assembly in the consideration and approval of budgets; 12. Notes the intention of the Secretary-General that global service packages will be configured and managed from the Global Service Centre at Brindisi and that regional service centres could in turn develop region-specific service packages; 13. Recalls its resolution 64/266 of 21 May 2010 and paragraph 101 of the report of the Advisory Committee,18 and requests the Secretary-General, in close consultation with troop-contributing countries, to further develop predefined modules and service packages to improve the quality and expedite the delivery of services to field missions, including civilian response capabilities; 14. Recognizes that delivering modularized service packages at the United Nations Logistics Base at Brindisi is aimed at enhancing the operational effectiveness of field missions, and stresses the importance of proceeding in this regard; 15. Requests the Secretary-General to further develop specific proposals in consultation with Member States, in particular troop-contributing countries, on functions and resources to be transferred to the Global Service Centre, in the context of the budget of the United Nations Logistics Base, for the consideration of the General Assembly at its sixty-fifth session, addressing the issues raised in paragraphs 108 to 110 of the report of the Advisory Committee, without prejudice to a decision of the Assembly at its sixty-fifth session; 16. Stresses that functions primarily involving interactions with Member States, particularly troop-contributing countries, will continue to be located at Headquarters; 17. Reaffirms its resolutions 60/121 A of 8 December 2005, 61/281 of 29 June 2007, 62/256 of 20 June 2008 and 63/291 of 30 June 2009, and decides to establish a regional service centre at the logistics hub at Entebbe, Uganda, with the functions proposed by the Secretary-General in his report;15 18. Recalls paragraphs 119 and 120 of the report of the Advisory Committee and paragraph 79 of the report of the Secretary-General, and requests the SecretaryGeneral to ensure the attainment of these projected benefits and to further identify subsequent annual benefits of the Regional Service Centre at Entebbe; 19. Notes that the concentration of missions in Central and Eastern Africa provides an opportunity to optimize the use of air assets through, inter alia, the establishment of a transportation and movements integrated control centre responsible for the planning and movement of personnel and cargo, and requests the Secretary-General to further develop and operationalize the concept in close consultation with Member States, in particular troop-contributing countries; 20. Recalls paragraphs 55 and 142 of the report of the Advisory Committee, and stresses that efforts to explore possibilities for economies and efficiencies in air operations should not undermine safety and operational requirements and rotation and troop deployment cycles; 21. Stresses the accountability and ultimate responsibility of Headquarters for the acquisition of air services and the provision of safety standards, bearing in mind current delegations of authority for procurement, without prejudice to any future decision that the General Assembly may take on this issue; 7