While a bedrock of US military strategy through the decades has been an ability to accommodate confrontation on two major fronts simultaneously, the return and rise of true peer competition is bringing that capability into question.
US Senator Jon Kyl, the Republican who succeeded the late John McCain in September 2018, said that while the US Department of Defense (DoD) believed it could still handle a two-front scenario, there was "concern" over whether that was actually still the case.
The Pentagon still has the "assumption" it could "make do" with current military assets and "engage in one war with our peer adversaries and hold the other at bay", Kyl, who was a member of the National Defense Strategy Commission, said on 11 December during a speech at the Heritage Foundation about the commission's assessments and recommendations, which were released in November.
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