March 28 (UPI) -- United Launch Alliance has delayed the last launch of a Delta IV Heavy rocket booster to Friday afternoon. The rocket, which served as a workhorse for uncrewed American space ...

The United Launch Alliance's (ULA's) Delta IV heavy-lift rocket launched the NROL-70 mission from Space Launch Complex-37 at Cape Canaveral Space Force Station in Florida. It was the final launch ...

End of an era: Delta IV Heavy rocket lifts off for the final timeSolve the daily Crossword 31,560 people played the daily Crossword recently. Can you solve it faster than others?31,560 people ...

CAPE CANAVERAL SPACE FORCE STATION, Fla. – United Launch Alliance (ULA) has set a new launch date for the final Delta IV Heavy rocket after a technical issue caused a scrub for the first attempt. ULA ...

The United Launch Alliance's (ULA) Delta IV Heavy rocket lifted off from Space Launch Complex-37 (SLC-37) at Cape Canaveral Space Force Station in Florida at 12:53 p.m. EDT (1653 GMT) on April 9.

The Delta IV Heavy that launched to close out the program on Tuesday stood 235 feet (72 meters) tall, more than 2.5 times the height of the original Thor-Delta.

On April 9, United Launch Alliance (ULA) launched its last Delta IV Heavy rocket carrying the NROL-70 mission from Florida, US. The mission was launched for the National Reconnaissance Office (NRO).

Delta IV rockets were created to fulfill the requirements of the U.S. Air Force’s Evolved Expendable Launch Vehicle program, according to the NRO. The new Vulcan Centaur rocket will carry on the ...

The Atlas V, another ULA rocket, still had 17 missions scheduled before its planned retirement. The Delta IV Heavy, weighing 1.6 million pounds when fully fueled, consists of a triple-booster ...

An unmanned Delta IV-Heavy rocket lifted off Friday morning from Cape Canaveral, Fla. It carried a satellite for the National Reconnaissance Office.

The Delta IV Heavy rocket consists of two stages and two liquid side boosters, as well as two versions of the main fairing. All engines run on a fuel vapor «liquid oxygen — liquid hydrogen». The ...