Decides that, notwithstanding paragraph 1 of resolution 816 ( 1993), Member States, acting nationally or through regional organizations or arrangements, may take, under the authority of the Security Council and subject to close coordination with the Secretary-General and the Force, all necessary measures, through the use of air power, in and around the safe areas in Bosnia and Herzegovina, to support the Force in the performance of its mandate set out in paragraphs 5 and 9 above;