For more than 500 days, the 
crews of the 41st Electronic Combat Squadron, Davis-Monthan AFB, Ariz., have flown their EC-130H Compass Call aircraft jamming enemy communications in Afghanistan. The 41st and its sister unit, the 43rd ECS, which supports operations in Iraq, cover not two AEFs, but all AEFs—otherwise known as low-density, high-demand units. Read here for our coverage of this type of LD/HD commodity.
The design of the launch facilities for the Air Force’s new Sentinel intercontinental ballistic missile are likely to undergo major revision, posing yet another challenge for the much-delayed and over-budget program to modernize the land-based component of America’s nuclear triad, officials said.