Live coverage: Proton fires into space with Eutelsat 9B

A $1.8 billion U.S. Air Force communications satellite rode a United Launch Alliance Atlas 5 rocket into orbit Wednesday from Cape Canaveral, joining three similar craft perched more than 22,000 miles above Earth to ensure government leaders can remain in contact with military commanders in the worst-case scenario of nuclear war.

A three-stage Soyuz booster rocket, capped by a three-person crew transport capsule, rolled out to a launch pad in Kazakhstan on Monday, two days before blasting off with new residents headed for the International Space Station.

An International Launch Services Proton rocket launched at 7:16 p.m. EST Sunday (0016 GMT Monday) with the Yamal 401 communications satellite for Gazprom Space Systems. The rocket’s Breeze M upper stage will deploy the spacecraft into geostationary orbit about nine hours after liftoff.