The Defense Department's budget request is driven by the National Defense Strategy, DOD Comptroller David L. Norquist, who is performing the duties of deputy defense secretary, told senators during a Senate Budget Committee hearing.
Defense officials wrote in the 2018 National Defense Strategy that "Long-term strategic competitions with China and Russia are the principal priorities for the department, and require both increased and sustained investment, because of the magnitude of the threats they pose to U.S. security and prosperity today, and the potential for those threats to increase in the future."
The strategy also acknowledges other threats that include Iran, North Korea and global terrorism.
Norquist testified in Washington as part of the congressional review of the fiscal year 2020 defense budget request.
Key elements of the budget are designed to counter growing threats from near-peer competitors such as China and Russia: