AFRL Technical Information - Formerly AFRL Tech Connect, a gateway providing free Air Force technology information to all branches of Government, industry, and academia. - http://www.wpafb.af.mil/AFRL/
GPS User Equipment Test Center Of Expertise - The Global Positioning System (GPS) User Equipment (UE) Test and Evaluation Center of Expertise (COE) is a multiservice consortium comprised of Air Force, Army, and Navy agencies chartered to test GPS UE for both military and civilian applications. - https://gpstest.46tg.af.mil/
Air Force Research Laboratory (AFRL) - Features over 10 headquarters and research technology directorate sites. Site offers information on command structure, locations, programs and operations, a newsletter, and reserve program. - http://www.afrl.af.mil/