Atlas 5

ULA delays Atlas 5 launch to study unexpected engine vibrations

June 10, 2021 Stephen Clark

United Launch Alliance’s next Atlas 5 launch will carry Boeing’s Starliner crew capsule into orbit July 30 on its second unpiloted test fight, officials confirmed Thursday. An Atlas 5 rocket for the U.S. military previously scheduled for June 23 has been postponed as engineers analyze unexpected vibrations of a new upper stage engine nozzle on a mission last month.

Five launches planned from Florida’s Space Coast in June

May 28, 2021 Stephen Clark

More than three-quarters of the launches from Florida’s Space Coast so far this year have deployed SpaceX’s Starlink internet satellites, but the focus will shift to other customers in June. Five rocket flights are scheduled to lift off from the spaceport next month for the U.S. Space Force, NASA, and commercial companies.

Watch new ‘rocketcam’ footage from last week’s Atlas 5 launch

May 25, 2021 Stephen Clark

United Launch Alliance has released new video from cameras mounted aboard an Atlas 5 rocket that lifted off May 18 from Cape Canaveral to haul a U.S. military missile-detection satellite into orbit.

Photos: ULA’s Atlas 5 rocket lifts off from Cape Canaveral

May 19, 2021 Stephen Clark

Carrying a sophisticated billion-dollar missile detection satellite for the U.S. military, a United Launch Alliance Atlas 5 rocket lifted off from Cape Canaveral on Tuesday with 1.6 million pounds of thrust from a Russian RD-180 main engine and twin solid rocket boosters.

Atlas 5 rocket launches infrared missile detection satellite for U.S. Space Force

May 18, 2021 Stephen Clark

An upgraded, cyber-hardened $1 billion satellite to support the U.S. military’s missile defense systems rode into orbit from Cape Canaveral Tuesday at the tip of a United Launch Alliance Atlas 5 rocket.

Problem during fueling preps forces Atlas 5 launch delay

May 17, 2021 Stephen Clark

United Launch Alliance called off a launch attempt Monday after hitting a snag during preparations to fill an Atlas 5 rocket with cryogenic propellants at Cape Canaveral, delaying the liftoff of a new U.S. Space Force infrared surveillance satellite until no earlier than Tuesday.

Live coverage: Atlas 5 launches with missile warning satellite for U.S. military

May 17, 2021 Stephen Clark

United Launch Alliance launched the U.S. military’s SBIRS GEO 5 early warning satellite into orbit aboard an Atlas 5 rocket from Cape Canaveral Space Force Station. A launch attempt Monday was scrubbed during fueling preps due to a faulty temperature sensor. Liftoff of ULA’s workhorse rocket, fitted with two strap-on solid-fueled boosters, occurred at 1:37 p.m. EDT (1737 GMT).