Delta 4

Boeing's Delta 4 rocket debuts successfully
The era of Boeing's next-generation rocket family was launched with success Wednesday as the maiden Delta 4 powered its way into Earth orbit to deploy a European-made communications satellite.
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Delta 4
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   VIDEO: FIRST DELTA 4 ROCKET BLASTS OFF QT or RV
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   VIDEO: SUCCESSFUL PAYLOAD DEPLOY IS DECLARED QT or RV
   VIDEO: POST-LAUNCH COMMENTS FROM OFFICIALS QT or RV
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Delta 4 to loft Eutelsat's W5 communications satellite
Located over the Indian Ocean at 70.5 degrees East, Eutelsat's new W5 Ku-band satellite completes a successful family of birds that have been serving a wide range of customers since 1998. W5 is a key element in Eutelsat's strategic objective of geographic expansion on the dynamic Euro-Asian route, stretching the company's coverage to the Pacific.
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W5
Delta 4 to fly Tuesday
Boeing exonerated the RL-10 upper stage engine during reviews Sunday, clearing the way for Monday's Launch Readiness Review that will formally put to rest an issue that prompted officials to cancel Saturday's liftoff attempt.
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Delta 4
Boeing delays debut launch of Delta 4 rocket
Boeing won't send its first Delta 4 rocket into space Saturday as planned after a last-minute engine issue was raised and meteorologists predicted virtually no hope of favorable weather conditions.
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Delta 4
Delta 4 voyage will be tension-filled 37 minutes
The first Boeing Delta 4 rocket will race from its Florida launch pad into an orbit stretching 19,000 nautical miles above Earth Saturday to deploy its European-built communications satellite cargo at the culmination of a 37-minute flight.
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Delta 4
Delta 4 fleet goes from 'Medium' to 'Heavy'
Delta rockets have been flying for more than 40 years, but the new Delta 4 dwarfs its predecessors in sheer size and Earth-shaking power to launch much larger cargos than possible in the past.
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   LAUNCH WEATHER FORECAST [Updated: Nov. 13]
Delta 4
New engine allows Delta 4 to 'defeat gravity'
Powering the Delta 4 is Rocketdyne's RS-68 powerplant, the first large all-American liquid-fueled rocket engine built since the space shuttle main engine a quarter-century ago.
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RS-68
Delta 4 rocket to make maiden flight Saturday
Boeing's next-generation Delta 4 rocket blasts off from Cape Canaveral this weekend on its debut launch to shape its destiny in the fiercely competitive commercial marketplace and prove reliability to the vehicle's major backer -- the U.S. Air Force.
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   LAUNCH WEATHER FORECAST [Posted: Nov. 12]
Delta 4
Recent News
Cargo mounted atop Delta 4 as debut launch nears
With less than two weeks until its much-anticipated first flight, the Boeing Delta 4 rocket was fitted with its commercial communications satellite cargo Tuesday at Cape Canaveral's launch pad 37B.
   FULL STORY [Posted: November 5]
Delta 4
New Delta 4 rocket fires engine on the launch pad
Belching flame and roaring like a lion, Boeing's inaugural Delta 4 rocket did everything but lift off during a successful countdown rehearsal October 14 that was capped by a dramatic engine firing on Cape Canaveral's launch pad 37B.
   FULL STORY [Posted: October 14]
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Delta 4
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   VIDEO: CLOSE UP VIEW OF ROCKET'S BASE QT or RV
   VIDEO: OUR VIEW FROM THE CAPE PRESS SITE QT or RV
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Delta 4 software changes tested; new issue found
Boeing checked out its debugged Delta 4 countdown software late last week during a test in which the inaugural rocket was fueled up on its Cape Canaveral launch pad, but a new glitch was uncovered.
   FULL STORY [Posted: September 30]
Delta 4
Delta 4 test to check tweaked ground software
Boeing is planning to run a crucial Delta 4 countdown test this week to check ground software, which officials hope will clear the way for a dramatic engine firing on the launch pad early next month.
   FULL STORY [Posted: September 22]
Delta 4
Software trouble delays first Boeing Delta 4 launch
The debut launch of Boeing's Delta 4 rocket has been delayed almost a month while ground software designed to automate the final minutes of the countdown is debugged. Originally scheduled for October 9, the company has picked November 3 as the new launch date.
   FULL STORY [Posted: September 8]
Delta 4
Delta 4 rocket put through countdown rehearsal
Boeing conducted its first countdown rehearsal with the Delta 4 rocket at Cape Canaveral's Complex 37 on Monday evening, fueling the new expendable booster in a simulation of launch day activities.
   FULL STORY [Posted: August 27]
Delta 4
Delta 4 rocket undergoes first cryogenic tanking test
Boeing technicians pumped super-cold liquid oxygen into both stages of the inaugural Delta 4 rocket for the first time early Thursday, completing the initial step in a series of fueling tests at Cape Canaveral's rebuilt launch pad 37B.
   FULL STORY [Posted: August 1]
Delta 4
Fueling, countdown tests ahead for first Delta 4
Super-cold rocket fuel will be pumped into Boeing's inaugural Delta 4 rocket at Cape Canaveral's Complex 37 for the first time next week as the company kicks off a sequence of launch pad tests that will culminate with an engine firing at the end of August.
   FULL STORY [Posted: July 18]
   PHOTO GALLERY OF COMPLEX 37
Delta 4
Boeing pushes back target date for first Delta 4 launch
The inaugural flight of Boeing's Delta 4 has been postponed from the end of August to around October 9 because testing of the brand-new rocket is running behind schedule at Cape Canaveral's newly rebuilt launch pad 37B.
   FULL STORY [Posted: July 8]
Delta 4
Delta 4 rocket takes its place on the launch pad
With four months left until its crucial maiden voyage, the first Boeing Delta 4 rocket was moved to the launch pad at Cape Canaveral's Complex 37 on Tuesday to begin an extensive campaign of testing and final pre-flight preparations.
   FULL STORY [Posted: May 1]
Delta 4
Delta 4 rocket assembled; next stop is the launch pad
The two stages of Boeing's inaugural Delta 4 rocket have been joined together inside a massive hangar at Cape Canaveral's newly refurbished Complex 37 as preparations continue for a targeted July 15 blastoff carrying a communications satellite for Eutelsat.
   FULL STORY [Posted: January 28]
Delta 4
Rocketdyne RS-68 engine certified for Boeing Delta 4
The certification of the Rocketdyne RS-68 engine that will power Boeing's new Delta 4 launch vehicle brings to a close a remarkable development path for the first large liquid-fueled engine in the United States in nearly three decades.
   FULL STORY [Posted: January 28]
RS-68
Delta 4 pad dedicated, first customer confirmed
Boeing dedicated its new launch pad at Cape Canaveral's Complex 37 on October 9 where Delta 4 rockets will lift off from starting next April. A company official, meanwhile, confirmed that the inaugural launch will carry a Eutelsat commercial telecommunications satellite, which had been rumored for some time.
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Delta 4
Boeing's Delta 4 test rocket rolled to Cape launch pad
For the first time a rocket is sitting atop Boeing's launch pad for the new millennium at Cape Canaveral as activities continue for the maiden flight of the Delta 4 next spring.
   FULL STORY [Posted: August 26, 2001]
Delta 4
Boeing's Delta 4 testing rocket arrives in Florida
Fresh off its series of critical test firings, Boeing's Delta 4 pathfinder rocket has arrived at Cape Canaveral to ensure the state-of-the-art launch facilities being built at Complex 37 are ready to handle the maiden flight of the next-generation launcher in March.
   FULL STORY [Posted: May 29, 2001]
Delta 4
Heart of Boeing's Delta 4 rocket put to the test
The new rocket stage and liquid-fueled main engine that are the essence of Boeing's next-generation Delta 4 commercial launcher have, in all likelihood, completed a round of crucial firings at the same complex where NASA tested its Saturn 5 rocketships that carried men to the moon more than 30 years ago.
   FULL STORY [Posted: May 7, 2001]
Stennis
Boeing building new launch pad for 21st century
At a Florida launch site where humans made crucial strides toward the moon 30 years ago, The Boeing Company today is transforming the hallowed grounds into a gateway to Earth orbit for futuristic rockets.
   FULL STORY [Posted: March 3, 2000]
Delta 4 family
Now showing
For Spaceflight Now+Plus service (subscribers only):

Preview the maiden flight of Boeing's Delta 4 rocket with this animated movie of a Delta 4 Medium+ 4,2 configuration. (1min 37sec file)
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Boeing's new Delta 4 rocket undergoes a dramatic five-second test firing at Cape Canaveral's Launch Complex 37. (42 sec file)
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The hydraulic erector arm of launch pad 37B slowly lifts the Delta 4 vertically, sitting the rocket atop the launch table. (4min 11sec file)
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See full listing of video clips.
Delta 4 Info
The Delta family - Comparison of the Delta 2, 3 and 4 rockets.

Delta 4 components - A look at the pieces that make up the Delta 4 rocket.

Typical Delta 4 Medium launch - Sample look at launch sequence for Delta 4 Medium vehicle configuration.

Typical Delta 4 Medium (5,2) launch - Sample look at launch sequence for Delta 4 Medium (5,2) vehicle configuration.

Typical Delta 4 Heavy launch - Sample look at launch sequence for Delta 4 Heavy vehicle configuration.

Delta 4 upper stages - Differences of the two upper stage configurations.