April 4, 2020

NASA, U.S. military reviewing SpaceX engine malfunction

March 25, 2020

NASA and U.S. military officials are reviewing a malfunction that triggered a premature engine shutdown during a flight of a SpaceX Falcon 9 rocket earlier this month, a cautionary step before upcoming launches with a GPS navigation satellite and astronauts on SpaceX’s Crew Dragon spacecraft.

Next GPS satellite lands in Florida for April launch

February 16, 2020

The U.S. Space Force’s third new-generation GPS 3-series navigation satellite has arrived in Florida for final processing and fueling ahead of a launch currently targeted for April 29 aboard a SpaceX Falcon 9 rocket.

AEHF satellite arrives in Florida for first of nearly 20 Space Force launches this year

January 13, 2020

The sixth and final satellite in the U.S. military’s network of ultra-secure, nuclear-hardened AEHF communications relay stations has arrived in Florida for final preparations for liftoff in March on a United Launch Alliance Atlas 5 rocket, the first of nearly 20 U.S. Space Force missions planned for launch in the first year of operations for the new military service.

Photos: ULA’s Delta 4-Medium flies for the last time

August 26, 2019

The last flight of United Launch Alliance’s Delta 4-Medium rocket lifted off Aug. 22 from Cape Canaveral Air Force Station in Florida, riding more than 1.2 million pounds of thrust from a hydrogen-fueled main engine and two strap-on solid rocket motors.

Delta 4 rocket’s launch timeline with GPS 3 SV02

August 22, 2019

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

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

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.

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