Quantcast
Last updated on April 21, 2014 at 7:52 EDT

Latest Delta IV Stories

2012-06-29 10:20:42

CANOGA PARK, Calif., June 29, 2012 /PRNewswire/ -- The sky rumbled and the ground shook as the three most powerful hydrogen-fueled liquid rocket engines ever built successfully boosted a U.S. government satellite into orbit. Developed by Pratt & Whitney Rocketdyne, the RS-68A engines thundered into the sky on their inaugural launch, boosting a United Launch Alliance Delta IV Heavy rocket from the pad at Cape Canaveral Air Force Station, Fla. Once above Earth's atmosphere, the reliable...

Secret Government Satellite Launches From Cape Canaveral
2012-06-29 14:59:02

Lee Rannals for redOrbit.com - Your Universe Online A secret satellite launched from Cape Canaveral, Florida on Friday morning aboard a Delta IV-Heavy rocket, reports the Associated Press (AP). The satellite belongs to the National Reconnaissance Office (NRO), which is keeping its lips sealed as to what the purpose of the orbiter is. This was the second secret satellite launch the NRO performed in the last two weeks. The first satellite was taken up by an Atlas V rocket on June 20....

2012-06-21 06:20:41

CENTENNIAL, Colo., June 21, 2012 /PRNewswire/ -- United Launch Alliance (ULA) successfully launched the 50th commercially developed Evolved Expendable Launch Vehicle (EELV), following the deployment of the National Reconnaissance Office's NROL-38 mission yesterday. Developed by the United States Air Force to provide assured access to space for Department of Defense and other government payloads, the EELV Program - comprised of the Atlas V and Delta IV launch vehicles - supports...

2012-06-20 06:20:19

CAPE CANAVERAL AIR FORCE STATION, Fla., June 20, 2012 /PRNewswire/ -- A United Launch Alliance (ULA) Atlas V rocket carrying a payload for the National Reconnaissance Office (NRO) lifted off from Space Launch Complex-41 here at 8:28 a.m. EDT today. Designated NROL-38, the mission is in support of national defense. "Congratulations to the NRO and to all the mission partners involved in this critical national security launch," said Jim Sponnick, ULA vice president, Mission...

Atlas V Launch Delayed Until Wednesday
2012-06-18 04:34:33

The scheduled launch of an Atlas V rocket carrying a top-secret national security-related payload originally scheduled for Monday morning has been delayed, the United Launch Alliance (ULA) announced on Sunday. According to WFTV.com and Brevard Times reports, the launch was originally scheduled to take place between 8:26am and 9:25am EDT on Monday. However, an environmental control system duct failure discovered Saturday has delayed the launch of the Atlas V 401 rocket and its National...

2012-05-31 14:20:07

PROMONTORY, Utah, May 31, 2012 /PRNewswire/ -- ATK (NYSE: ATK) and United Launch Alliance (ULA) conducted a successful cold-temperature ground test today of a Graphite Epoxy Motor (GEM-60) solid rocket motor used to boost ULA Delta IV launch vehicles. The main test objectives from today's static motor firing were measuring the rocket motor's performance at cold temperatures, qualifying a new vectorable nozzle on the motor and verifying the performance of new nozzle insulation at the lowest...

2012-05-06 18:20:08

DENVER, May 6, 2012 /PRNewswire/ -- United Launch Alliance was notified today, that the International Association of Machinists and Aerospace Workers (IAMAW) representing its workforce at Cape Canaveral Air Force Station, Fla., Decatur, Ala., and Vandenberg Air Force Base, Calif., has accepted the company's new three-year contract offer. This concludes the 2012 contract negotiation process which began several weeks ago. The new contract covers approximately 860 represented bargaining...

2012-04-09 14:20:10

CENTENNIAL, Colo., April 9, 2012 /PRNewswire/ -- United Launch Alliance (ULA) today announced the formation of a new organization that will focus exclusively on NASA's human spaceflight programs. ULA's Human Launch Services organization will be dedicated to supporting NASA and its partners in the development of capabilities to deliver U.S. astronauts to Low Earth Orbit and human exploration beyond Earth orbit. "NASA is making tremendous progress towards closing the U.S. human...

Delta 4 Lifts Off With Spy Satellite On Board
2012-04-05 08:33:37

United Launch Alliance (ULA) launched a Delta 4 rocket at 4:12 p.m. (7:12 p.m. EDT) Tuesday, April 3 from Space Launch Complex-6 at Vandenberg Air Force Base in California, carrying a surreptitious spy satellite for the National Reconnaissance Office (NRO) -- a division of the US military. The launch was a success, but only after several delays due to inclement weather and a technical issue. Initially scheduled to lift off five days earlier, the 20-story-high Delta 4 rocket climbed into...

2012-04-03 18:20:08

ARLINGTON, Va., April 3, 2012 /PRNewswire/ -- ATK (NYSE: ATK) composite and propulsion technologies supported the successful launch of a United Launch Alliance Delta IV rocket carrying a national security payload for the National Reconnaissance Office. ATK's two 70-foot long, 60-inch-diameter Graphite Epoxy Motors (GEM) ignited at liftoff, burned for 90 seconds, and provided 560,000 pounds of thrust to help deliver the payload to orbit. ATK designed and produced the nozzle for the Pratt...