The Defense Department has commenced a sweeping new mobility study, an assessment that aims to consider the precise number of aerial refueling tankers, cargo aircraft and supply ships needed to support the Trump administration's National Defense Strategy and drive any related new investment decisions in the military's fiscal year 2020 spending plan. On March 8, the Pentagon launched the Mobility Capabilities and Requirements Study (MCRS-18), a review required by the FY-18 National Defense Authorization Act, that is being led by...