Europe's Vega C rocket launched on its second-ever mission from Europe's Spaceport in Kourou, French Guiana on Tuesday at 9:47 p.m. EST (10:47 p.m. local time; 0247 GMT on Dec. 21). The rocket failed to deliver the Pléiades Neo 5 and Pléiades Neo 6 Earth-imaging satellites into orbit. An investigation is underway to determine the cause. Credit: Arianespace