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ULA begins stacking Atlas 5 rocket for late June launch
The bronze first stage of United Launch Alliance's next Atlas 5 rocket arrived at its Cape Canaveral launch pad Friday, where it will be joined by five solid-fueled boosters, a Centaur upper stage and a U.S. Air Force communications satellite in the coming weeks ahead of liftoff set for June 27.

Q&A with Elon Musk, founder and CEO of SpaceX (members only)
Elon Musk, SpaceX's founder and chief executive, spoke with reporters via conference call May 15 as the company prepared for the launch of the first 60 satellites to build out a network of potentially thousands of broadband relay stations in low Earth orbit providing high-speed Internet to consumers around the world.

NASA, ULA find launch opportunity for inflatable heat shield demonstrator
A flight demonstration of an inflatable heat shield that could be used to retrieve reusable engines from United Launch Alliance's next-generation Vulcan rocket, and for the delivery of heavier cargo to the surface of Mars, is planned for launch in late 2021 or early 2022 as a piggyback payload on an Atlas 5 rocket with a NOAA weather satellite.

Atlas 5 rocket, U.S. Air Force satellite arrive at Cape Canaveral for June launch
Atlas 5 rocket hardware and a U.S. Air Force communications satellite have arrived at Cape Canaveral for United Launch Alliance's next mission, scheduled for liftoff June 27.

Boeing delays first Starliner test flight to August, NASA extends duration of first crew mission
Boeing said Tuesday the first orbital test flight of its commercial crew capsule, named the Starliner, will be delayed until August "in order to avoid unnecessary schedule pressure" and give priority on the Atlas 5 rocket's manifest to a U.S. Air Force communications satellite. NASA confirmed Wednesday that officials have approved an extension of the Starliner's first crewed mission to last up to several months.

Photos: Delta 4 rocket blasts off from Cape Canaveral
A hydrogen-fueled main engine and four solid rocket boosters combined to propel a United Launch Alliance Delta 4 rocket off its launch pad at Cape Canaveral on March 15, successfully sending a U.S. Air Force communications satellite into orbit.

Delta 4 rocket launches Air Force’s 10th WGS broadband satellite
United Launch Alliance placed a new satellite in orbit with a fiery Friday night blastoff from Cape Canaveral, using a version of the Delta 4 rocket that is nearing retirement to supplement a U.S. military network relaying signals from drones and battlefield commanders.

Delta 4 rocket’s launch timeline with WGS 10
A United Launch Alliance Delta 4 rocket will deliver the U.S. Air Force's tenth Wideband Global SATCOM communications satellite to a supersynchronous transfer orbit around 37 minutes after lifting off from Cape Canaveral.

Photos: Mobile gantry retracted at Delta 4 launch pad
hese photos show the 330-foot-tall mobile service tower moving into position for liftoff of a Delta 4 rocket from Cape Canaveral’s Complex 37B launch pad Friday.
VideoLive coverage: Delta 4 rocket launches from Cape Canaveral
A United Launch Alliance Delta 4 rocket lifted off from Cape Canaveral at 8:26 p.m. EDT Friday (0026 GMT Saturday) with the U.S. Air Force's tenth Wideband Global SATCOM satellite, extending the reach of the military's highest-capacity satellite communications network.