United Launch Alliance

Delta 4 rocket’s launch timeline with GPS 3 SV02

August 22, 2019 Stephen Clark

A United Launch Alliance Delta 4 rocket will deliver the U.S. Air Force’s second GPS 3-series navigation satellite into an elliptical transfer orbit nearly two hours after liftoff from Cape Canaveral.

Live coverage: Delta 4 rocket lifts off with GPS satellite

August 22, 2019 Stephen Clark

The last flight of the single-core variant of United Launch Alliance’s Delta 4 rocket lifted off at 9:06 a.m. EDT (1306 GMT) Thursday from Cape Canaveral Air Force Station, Florida. The 207-foot-tall launcher carried a GPS navigation satellite into orbit for the U.S. Air Force.

ULA’s last Delta 4-Medium rocket set for launch Thursday

August 22, 2019 Stephen Clark

United Launch Alliance is set to retire part of its rocket family Thursday with the final flight of the Delta 4 rocket’s “single stick” configuration, a mission set for liftoff from Cape Canaveral carrying a new GPS navigation satellite into orbit for the U.S. Air Force.

Astrobotic lunar lander to launch on ULA’s first Vulcan rocket

August 20, 2019 Stephen Clark

Astrobotic, a Pittsburgh-based company developing a robotic lunar lander, will launch its first moon mission under contract to NASA on the debut flight of United Launch Alliance’s Vulcan Centaur rocket in 2021, officials announced Monday.

ULA’s second launch of the month scheduled for Thursday

August 19, 2019 Stephen Clark

Weather forecasters expect a 70 percent chance of favorable conditions at Cape Canaveral for liftoff of a United Launch Alliance Delta 4 rocket Thursday with a GPS navigation satellite, marking the last flight of the Delta 4’s single-core variant after 29 flights since 2002.

Photos: Atlas 5 blasts off with U.S. Air Force communications payload

August 15, 2019 Stephen Clark

A United Launch Alliance Atlas 5 rocket took off from Cape Canaveral on Aug. 8 with the U.S. Air Force’s fifth Advanced Extremely High Frequency communications satellite, the second launch from Florida’s Coast in a span of less than 35 hours.

Sierra Nevada selects ULA’s Vulcan rocket to launch Dream Chaser missions

August 14, 2019 Stephen Clark

Sierra Nevada Corp. has booked at least six launches on United Launch Alliance’s new Vulcan Centaur rocket to carry Dream Chaser supply ships into orbit on cargo runs to the International Space Station beginning in 2021, becoming the first confirmed customer for ULA’s next-generation launcher.

Delta 4 rocket’s launch timeline with GPS 3 SV02

Live coverage: Delta 4 rocket lifts off with GPS satellite

ULA’s last Delta 4-Medium rocket set for launch Thursday

Astrobotic lunar lander to launch on ULA’s first Vulcan rocket

ULA’s second launch of the month scheduled for Thursday

Photos: Atlas 5 blasts off with U.S. Air Force communications payload

Sierra Nevada selects ULA’s Vulcan rocket to launch Dream Chaser missions

Atlas 5 launch adds to U.S. military’s secure communications satellite network

Photos: Atlas 5 paints the sky with spectacular sunrise launch

Atlas 5 launches AEHF 5 as seen from Kennedy Space Center (members only)