Brian Thompson, the CEO of UnitedHealthcare, was shot on Dec. 4 outside the New York Hilton Midtown in Manhattan. The suspect fled northward on 6th Avenue on a bike toward Central Park and is still unidentified.

For the December cover story, GPS World looks at three transportation-related projects that showcase different aspects of the relationship between GNSS and transportation.

David Zilkoski provides updates about the vertical datums that the National Oceanic and Atmospheric Administration (NOAA) is working on.

Notre Dame Cathedral in Paris has reopened its doors five years after the devastating fire, showcasing its restored interior after extensive rebuilding work.