The U.S. Air Force is kick-starting a potentially multibillion-dollar program to replace the E-4B “Doomsday Plane” and the U.S. Navy’s E-6B Mercury fleet with a single fleet.

The U.S. Missile Defense Agency (MDA) has accelerated development of the warhead-killing Multi-Object Kill Vehicle (MOKV) by five years in response to emerging threats.

NASA’s fiscal 2108 budget request for aeronautics research keeps the agency’s New Aviation Horizons (NAH) X-plane program alive, but with a slower pace of new flight demonstration programs.

The U.S. Missile Defense Agency's (MDA) $7.9 billion budget plan for fiscal 2018 includes almost $600 million over five years to finally begin addressing the hypersonic missile threat from Russia and China.

The news that the Dragon Lady will continue patrolling the skies indefinitely, revealed May 23 in President Donald Trump's budget request for fiscal 2018, is a reversal of the Air Force's previous plans.

President Donald Trump’s $19.1 billion fiscal 2018 spending request for NASA achieves a 0.8% decrease from current levels by terminating a robotic satellite-servicing demonstration mission and, as expected, trimming Earth-science missions.

The Trump administration’s request for the fiscal year that starts Oct. 1 was not accompanied by the regular five-year defense spending plan, leaving even suggested guidance for major defense acquisition programs officially unknown.

President Donald Trump’s first proposed budget for the U.S. Air Force keeps the service’s top modernization priorities on track, but does not include the major boost to procurement programs that many defense hawks had hoped for.