The QDR was a legislatively mandated review of Department of Defense strategy and priorities, assessing the threats and challenges of the nation and rebalancing DOD's strategies, capabilities and forces.
The QDR has been replaced by the National Defense Strategy (NDS). Unlike the QDR, the NDS is classified. An unclassified summary of the NDS can be found at: https://dod.defense.gov/Portals/1/Documents/pubs/2018-National-Defense-Strategy-Summary.pdf.
The Department of Defense provides the military forces needed to deter war and ensure our nation's security.