Good morning, and welcome to launch day for NASA’s Interior Exploration using Seismic Investigations, Geodesy and Heat Transport (InSight). The first-ever mission to study the heart of Mars, will launch on a United Launch Alliance Atlas V 401 rocket from Space Launch Complex 3 at Vandenberg Air Force Base in California. Launch is targeted for 7:05 a.m. EDT (4:05 a.m. PDT), at the beginning of a two-hour launch window.
Today’s launch blog originates from the NASA News Center here at Kennedy Space Center in Florida, so event times may be provided in both Eastern and Pacific. Follow the launch countdown and launch at https://www.nasa.gov/nasalive.