Atlas V launches GPS IIF-4

5/15/13 ~ 5:38 p.m.

Atlas V launches GPS IIF-4. It was the first GPS launch on an Atlas in 28 years and the first time an Atlas rocket

 launched a GPS for the modern, operational constellation. All such previous launches were on Deltas.

WINNER, BELOW: 2013 Aviation Week & Space Technology photo contest, editor's choice