Russian officials could complete their investigation of a rocket failure Tuesday by mid-December, and multiple Russian news reports suggest the probe has narrowed to focus on the guidance computer on the Soyuz launcher’s Fregat upper stage.

The successful launch of 36 more OneWeb satellites aboard India’s most powerful rocket Saturday brought the total number of OneWeb spacecraft in orbit to 618, enough for the London-based company to start global broadband service later this year.

The United Launch Alliance Atlas 5 rocket carrying NASA’s InSight lander toward Mars will have a roughly two-hour predawn launch window each day from May 5 through June 8 to boost the science probe into space from Vandenberg Air Force Base, California.