and taxation, to ISIS and its affiliates. (c) Update The Secretary of Defense and the Secretary of State shall submit to the appropriate committees of Congress an update of the strategy required by subsection (a) at least once every 2 years after the date of the initial submission of the strategy. 4. Strategy to bring the civil war in Syria to a sustainable end (a) Strategy required Not later than 120 days after the date of the enactment of this Act, the Secretary of Defense and the Secretary of State, in consultation with the heads of other appropriate Federal agencies, shall jointly develop and submit to the appropriate committees of Congress a strategy to bring the civil war in Syria to a sustainable end. (b) Elements of the strategy The strategy required by subsection (a) shall include the following elements: (1) A description of military and diplomatic actions to end the Syrian Civil War. (2) An assessment on the viability of safe zones for Syrian refugees displaced from their homes to allow such refugees to settle for an unspecified amount of time and live in peace and security. (3) A plan to bring the various moderate opposition factions and the Government of Syria to the negotiating table in order to find a peaceful solution to the conflict, and specifically includes plans for a transition of power from the presidency of Bashar al-Assad to a confederation of multi-sectarian and moderate parties that does not include any known radical Islamist groups in order to rebuild Syria. (4) A strategy to pursue war crimes prosecutions against Bashar al-Assad and Syrian government officials responsible for crimes against humanity. (5) A plan that will prevent the reconstitution of the ISIS in Syrian territory. 5. Assessment by Director of National Intelligence Not later than 1 year after the date of the enactment of this Act, the Director of National Intelligence shall submit to the appropriate committees of Congress an assessment of the following: (1) The willingness and capabilities of coalition members and allies