September 25, 2005: GPS modernization begins with Delta rocket launch

26.09
A Boeing Delta 2 booster pierced the night sky Sunday evening, successfully launching the first modernized Global Positioning System satellite to build a bridge from the navigation network of today to the advancements of tomorrow. Full story

LORAN survey

18.08
GPS is presumed to have become the primary navigation aid employed in the commercial shipping industry today. However, a report issued by the Volpe National Transportation Center in August 2001 indicates GPS is susceptible to both intentional and uni...