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Efforts Renew to Understand Dangers of Mountain Flying

A research project in California's Sierra Nevada mountains is attempting a major leap forward in unraveling the mysteries surrounding one the biggest atmospheric hazards in modern aviation -- a wind phenomenon known as a "mountain rotor." Both rotors and a related phenomenon, mountain waves, regularly form on a mountain's lee side, or on the side opposite the direction from which strong winds typically blow. Just such a site is in Owens Valley, Calif., which is between the Sierra Nevada and…

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Congress Updates

Upgrading Current GPS Ground System “Now a Viable Option,” As GPS OCX Problems Continue, Space Official Says

Upgrades to the GPS ground system–the Architecture Evolution Plan (AEP)–is an option under consideration by the Defense Department’s space acquisition chief, as problems continue in fielding the GPS Next Generation […]


Graham Says GOP To Move Ahead On Second Reconciliation Bill, With Defense Funds As Priority

Senate Budget Committee Chair Lindsey Graham (R-S.C.) said Wednesday, with the White House’s backing, his panel will move “expeditiously” on crafting a second reconciliation bill, citing priorities for defense and […]


Hegseth Acknowledges Potential $200 Billion Iran Supplemental Request, Final Figure ‘Could Move’

Defense Secretary Pete Hegseth on Thursday acknowledged the Pentagon could potentially ask Congress for $200 billion in supplemental funding to support the ongoing operation against Iran and replenish munitions used […]


Counter-Drone Flyaway Kit Used In U.S. In Early Hours Of Iran Strikes, NORTHCOM Head Says

U.S. Northern Command (NORTHCOM) used a counter small unmanned aircraft system (sUAS) flyaway kit (FAK) in the early hours of the strikes against Iran on Feb. 28, according to Air […]