WASHINGTON The Pentagon should buy both unmanned, expendable radar jammers and new electronic attack aircraft to replace the aging EA-6B Prowler, according to a long-term assessment of the U.S.’ ability to batter down future enemy air defenses.

WASHINGTON An orbiting NASA satellite has provided U.S. Air Force researchers with before-and-after hyperspectral imagery of bombing targets in Afghanistan that may simplify targeting and bomb-damage assessment in the future. NASA has decided to continue operating the EO-1 spacecraft, which completed its baseline mission Jan. 7 with the successful test of a pulsed plasma thruster (PPT) for attitude control.

COLORADO SPRINGS National and military leaders are reviewing U.S. homeland defense and security measures implemented since the terrorist attacks last September, seeking a balance of air-protection measures that could decrease the domestic workload for Air National Guard, Reserve and active duty forces.