Live coverage: Atlas 5 countdown and launch journal

Now cocooned inside a heat shield and the nose shroud of an Atlas 5 rocket that will send it to Mars, NASA’s InSight lander is awaiting launch May 5 from Vandenberg Air Force Base, California.

A Russian Soyuz rocket launched from French Guiana on Thursday at 1154:53 GMT (7:54:53 a.m. EDT) with the SES 15 communications satellite, a U.S.-built craft designed to support in-flight connectivity, video broadcasts and airborne navigation over North America.

With U.S. military demand waning in coming years, United Launch Alliance has multiple openings in its Atlas 5 launch manifest in 2017 and 2018 available to commercial customers with as little as three months’ notice, according to company officials.