Security for Insecure Times Geoencryption with Loran Nov 1, 2007 By: Di Qiu, Sherman Lo, Per Enge

Modernized Loran, hard to spoof and hard to jam, shows strong potential for securing sensitive data.

Hurricane Hunters GPS Dropsondes Trace Katrina's Course Oct 1, 2005 By: Marty Whitford

GPS dropsondes released into the Katrina's eyewall tracked and predicted wind strength, speed, and direction.

NGA plays a key role in supporting the Global Positioning System and its efforts underpin many end-user applications of GPS technology.

A December 2004 Presidential directive reflects a renewed U.S. government commitment to maintaining GPS as a global leader in satellite navigation.